The harvest kitchen business is situated along the sunshine coast. It mainly deals with the farm products and it’s been doing this for the past one year. The business has got six employees, 1 delivery van, a retail outlet and a cold store warehouse. It deals on all levels/ chains of meeting customers; retail, wholesale. The business is however still at the start phase and the main sources of the problem are revenue, cost of goods and average sales.
A statistical research is conducted to determine the past performance of the business to influence is future (business analytics). This will involve determining why the business is still at the starting face even after one year of operations, main factors that may influence this and how they will be fixed to come up with a solution for a healthy business.
The questions will help in determining the exact area where an improvement is needed.
To achieve this, business data will be acquired and analysed so as to arrive at a conclusion of the past business performance and how this can be improved. The kitchen business data given in the link is therefore applied and analysed through the SPSS to help arrive at conclusions.
This analysis was done through descriptive statistics to visualize how the different products compare in terms of the sales they make. The table below gives a filter of the product class with sales over $500 and the product class with the sales below $50. As can be seen, only 6 product classes had total sales amounting to more than $500 while 11 product classes had total sales below $50. The products with sales above $500 can be regarded as top selling products while those with total sales amounting to less than $50 can be regarded as worst selling products.
Table 1: Top/Worst selling products
Row Labels |
Average of Total Sales ($) |
Water |
$1,867.08 |
Fruit |
$1,048.67 |
Vegetable |
$871.51 |
Dairy |
$619.12 |
Drinks |
$574.31 |
Coconut Water |
$514.27 |
Bakery |
$432.73 |
Fridge |
$354.31 |
Dry Goods |
$341.24 |
Health products |
$332.88 |
Oils & Vinegars |
$310.84 |
Snacks & Chocolates |
$246.22 |
Ayurvedic |
$226.33 |
Milks non dairy |
$224.56 |
Freezer |
$202.52 |
Household |
$196.32 |
Meats Small goods |
$176.65 |
Pasta |
$114.33 |
Spreads, Sauces, Sweeteners |
$113.64 |
Grocery |
$108.88 |
Market |
$89.00 |
Tea Coffee |
$88.58 |
Personal Products |
$84.45 |
Packaging |
$62.25 |
Tinned Goods |
$48.13 |
Harvest Kitchen |
$45.25 |
Chocolates & Slices |
$37.00 |
Pastas |
$36.00 |
Other |
$33.56 |
Stocks Sauces |
$32.50 |
Salad Greens |
$25.00 |
Snacks |
$20.50 |
Spices |
$19.07 |
Herbal Teas |
$18.00 |
Juicing |
$5.00 |
Grand Total |
$370.02 |
The data given also showed that bananas sell the highest and the calico s sell the worst. This is shown by the high mean of the bananas (Bananas) and the (2.27) of the calico sell.
In this analysis our main aim was to compare the different payment methods and identify whether the total cash received from these payment methods are different or not. The company received cash from four different payment methods i.e. master card payments, visa card payments credit payments and cash payments. For analysis purposes, the payment methods were grouped into two different payment groups. That is, the card payments (comprising of visa card and master card payment methods) and the cash and credit payment methods. Two hypothesis were then tested out. The first one involving the cash and credit payment methods and the second one involving the master card and visa card payment methods. Independent t-test was used to test for the two hypothesis. The hypothesis tested are stated below;
H0: There is no significant difference in the total cash received between the cash and the credit payment methods
H0: There is significant difference in the total cash received between the cash and the credit payment methods
Table 2: t-Test: Two-Sample Assuming Equal Variances
|
Cash |
Credit |
Mean |
412.1755 |
604.6356 |
Variance |
20811.55 |
42140.48 |
Observations |
359 |
354 |
Pooled Variance |
31401.02 |
|
Hypothesized Mean Difference |
0 |
|
df |
711 |
|
t Stat |
-14.5002 |
|
P(T<=t) one-tail |
3.14E-42 |
|
t Critical one-tail |
1.647 |
|
P(T<=t) two-tail |
6.27E-42 |
|
t Critical two-tail |
1.963306 |
We conducted an independent samples t-test to compare the mean total cash that was received from credit payment method and that that was received from the cash payment method. The credit payment method (M = 604.64, SD = 204.28, N = 354) received more total cash when compared to the cash payment method (M = 412.18, SD = 144.26, N = 359), t(711) = -14.50, p < .001, two-tailed.
H0: There is no significant difference in the total cash received between the Visa and the MasterCard payment methods
H0: There is significant difference in the total cash received between the Visa and the MasterCard payment methods.
Table 3: t-Test: Two-Sample Assuming Equal Variances
|
Visa |
MasterCard |
Mean |
576.3144 |
152.5472 |
Variance |
50355.11 |
12000.98 |
Observations |
353 |
53 |
Pooled Variance |
45418.44 |
|
Hypothesized Mean Difference |
0 |
|
df |
404 |
|
t Stat |
13.49813 |
|
P(T<=t) one-tail |
7.81E-35 |
|
t Critical one-tail |
1.648634 |
|
P(T<=t) two-tail |
1.56E-34 |
|
t Critical two-tail |
1.965853 |
We conducted an independent samples t-test to compare the mean total cash that was received from master card payment method and that that was received from the visa card payment method. The master card payment method (M = 152.55, SD = 109.55, N = 53) received less total cash when compared to the visa card payment method (M = 576.31, SD = 224.40, N = 353), t = 13.50, df = 404, p < .05, 95% CI for mean difference 365.02 to 485.48).
With the products placed at the outside front, a large number of sales is realised. This is followed by the front, left and right and then finally the rear placement. This is shown in the table below;
Table 4: Descriptive Statistics
Location of product in shop |
Total Sales ($) |
Net Profit ($) |
|
Front |
Mean |
572.75 |
252.09 |
N |
155 |
155 |
|
Std. Deviation |
1430.657 |
693.594 |
|
Left |
Mean |
218.22 |
99.55 |
N |
376 |
376 |
|
Std. Deviation |
427.614 |
195.844 |
|
Outside Front |
Mean |
3384.37 |
1809.63 |
N |
12 |
12 |
|
Std. Deviation |
4719.347 |
2343.359 |
|
Rear |
Mean |
536.07 |
210.68 |
N |
180 |
180 |
|
Std. Deviation |
1072.153 |
387.742 |
|
Right |
Mean |
239.89 |
109.95 |
N |
311 |
311 |
|
Std. Deviation |
553.004 |
299.191 |
|
Total |
Mean |
369.96 |
164.74 |
N |
1034 |
1034 |
|
Std. Deviation |
1014.719 |
482.106 |
The table shows a high mean and standard deviation for the outside front (M = 3384.37 SD = 4719.345 respectively) and the lowest are realised in the rear placement (536.07 for mean, 1072.153 for std. Deviation). The profit realised at the outside front is even larger compared to all other net profits.
With this analysed, the revenue will thereby increase with goods sold outside front. This is based on the fact that an increase in income results to the increase in revenue.
Table 5: ANOVA Table
|
Sum of Squares |
df |
Mean Square |
F |
Sig. |
||
Total Sales ($) * Location of product in shop |
Between Groups |
(Combined) |
134299725.024 |
4 |
33574931.26 |
37.176 |
.000 |
Within Groups |
929333380.817 |
1029 |
903142.26 |
||||
Total |
1063633105.841 |
1033 |
|||||
Net Profit ($) * Location of product in shop |
Between Groups |
(Combined) |
36561758.739 |
4 |
9140439.69 |
46.211 |
.000 |
Within Groups |
203534122.514 |
1029 |
197797.98 |
||||
Total |
240095881.253 |
1033 |
From the ANOVA table above, we can see that the p-value is 0.000 (this value is greater than α = 0.05), we therefore reject the null hypothesis and conclude that the total sales of the products is significantly different for the different locations where the products are placed within the shop.
From the data given, a hypothesis is written to help answer the question
H0: sales and gross profits are different in different months
H1: sales and gross profits are not different in different months
From the data given, the mean and the standard deviation proves that there is a difference.
The ANOVA table also shows that there’s a difference since we fail to reject the null hypothesis
Table 6: ANOVA Table
|
Sum of Squares |
df |
Mean Square |
F |
Sig. |
||
Average_Sale * Month of the year |
Between Groups |
(Combined) |
335.651 |
11 |
30.514 |
1.979 |
.030 |
Within Groups |
5333.831 |
346 |
15.416 |
||||
Total |
5669.483 |
357 |
|||||
Profit Total * Month of the year |
Between Groups |
(Combined) |
35370.948 |
11 |
3215.541 |
3.867 |
.000 |
Within Groups |
294370.006 |
354 |
831.554 |
||||
Total |
329740.954 |
365 |
Table 7: Measures of Association
|
Eta |
Eta Squared |
Average_Sale * Month of the year |
.243 |
.059 |
Profit Total * Month of the year |
.328 |
.107 |
The above data clearly shows that there’s difference in sales and gross profit throughout the different months of the year (p-value < 0.000)
The hypothesis set in place for the above question is
Ho: there’s difference in sales with changes in seasons
H1: there’s no difference in sales with changes in seasons
The below tables shows that there’s no significant difference between the means of various sales in various season.
Table 8: Descriptive statistics
Average Sale |
|||
Season of the year |
Mean |
N |
Std. Deviation |
Summer |
18.18 |
87 |
3.480 |
Autumn |
18.74 |
89 |
3.033 |
Winter |
18.58 |
92 |
5.215 |
Spring |
18.58 |
90 |
3.864 |
Total |
18.52 |
358 |
3.985 |
Table 9: ANOVA Table
|
Sum of Squares |
df |
Mean Square |
F |
Sig. |
||
Average Sale * Season of the year |
Between Groups |
(Combined) |
15.148 |
3 |
5.049 |
.316 |
.814 |
Within Groups |
5654.334 |
354 |
15.973 |
||||
Total |
5669.483 |
357 |
Table 10: Measures of Association
|
Eta |
Eta Squared |
Average Sale * Season of the year |
.052 |
.003 |
The p-value is given as 0.814 (this value is greater than the 5% significance level), From the table of mean, the lack of significant difference shows that there’s not effect in the changing seasons as far as sales is concerned.
In this analysis we sought to find out whether there exists a significant difference in the amount of rainfall based on the seasons.
Table 11: ANOVA Table
Rainfall |
|||||
Sum of Squares |
df |
Mean Square |
F |
Sig. |
|
Between Groups |
323.983 |
3 |
107.994 |
1.123 |
.340 |
Within Groups |
34709.983 |
361 |
96.150 |
||
Total |
35033.967 |
364 |
Analysis of variance (ANOVA) was conducted to compare the mean amount of rainfall received for the different seasons. The p-value was found to be 0.340 (a value greater than α = 0.05), we therefore fail to reject the null hypothesis and conclude that the mean amount of rainfall does not significantly differ across the four seasons.
In this analysis we sought to find out whether there exists a significant difference in the profits based on the seasons.
Table 12: ANOVA Table
Profit Total |
|||||
Sum of Squares |
df |
Mean Square |
F |
Sig. |
|
Between Groups |
28591.757 |
3 |
9530.586 |
11.456 |
.000 |
Within Groups |
301149.197 |
362 |
831.904 |
||
Total |
329740.954 |
365 |
|
N |
Mean |
Std. Deviation |
Std. Error |
95% Confidence Interval for Mean |
|
Lower Bound |
Upper Bound |
|||||
Summer |
91 |
31.4178 |
31.66537 |
3.31943 |
24.8232 |
38.0124 |
Autumn |
92 |
19.7321 |
16.62147 |
1.73291 |
16.2899 |
23.1743 |
Winter |
92 |
27.6325 |
18.71748 |
1.95143 |
23.7562 |
31.5088 |
Spring |
91 |
44.2111 |
41.35005 |
4.33466 |
35.5995 |
52.8227 |
Total |
366 |
30.7098 |
30.05661 |
1.57108 |
27.6202 |
33.7993 |
Analysis of variance (ANOVA) was conducted to compare the mean profit totals for the different seasons. The p-value was found to be 0.000 (a value less than α = 0.05), we therefore reject the null hypothesis and conclude that the mean profit totals do significantly differ across the four seasons. The descriptive table shows that Spring had the highest average profit (M = 44.21, SD = 41.35) while Autumn had the lowest average profit (M = 19.73, SD = 16.62).
A number of hypothesis tests were conducted. The first being that comparing the total cash received between cash payment method and credit payment method. Results showed that there was significant difference in the total cash received from the cash and credit payment methods. We also conducted a hypothesis test to check whether the total cash received from the visa card payment method and master card payment method were significantly different. Just like the case of cash and credit payment methods, we found out that total cash received from visa card payment method and master card payment method were significantly different.
Results also showed a statistically significant difference in the sales performance of products based the location where the products are placed in a shop. There was also significant difference in the profits based on the months of the year. However, there was no significant difference in the sales performance based on the months and season of the year.
Conclusion
Results from this study showed that total sales do not significantly differ across the months however the gross profit different significantly based on the month of the year. From the above analysis, various factors indicated in the data influence the performance of the business, the business operators should therefore take into consideration these factors; the kind of products (they should produce in large scale the products that sells much).
They should put most of their products at the outside front as it is very influential in terms of sales. The products that are not much selling should be relocated as this may be a factor that prevents their sales.
The management should also find out why some months had lower profits than others, it could be that the cost of production are higher in those months resulting to lower profits.
References
Cleveland, W. S., 2001. Data science: an action plan for expanding the technical areas of the field of statistics. International Statistical Review, p. 21–26.
Derrick, B., Toher, D. & White, P., 2017. How to compare the means of two samples that include paired observations and independent observations. The Quantitative Methods for Psychology, 13(2), p. 120–126.
Freedman, D. A., 2005. Statistical Models: Theory and Practice.
Moore, D. S. & McCabe, G. P., 2003. Introduction to the Practice of Statistics. p. 764.
Nick, T. G., 2007. Descriptive Statistics.
Trochim, W. M., 2006. Descriptive statistics. Research Methods Knowledge Base.
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