Answer to Question #128459 in Statistics and Probability for yuhanis

Question

Problem 3

Table 3 shows the selling price of a specific brand of sanitizer at six stores before and after the COVID-19 pandemic. At 0.05 level of confidence level, can we make a conclusion that on average, the price has not changed? Make your conclusion using the p-value approach, with the aid of Mic. Office EXCEL.

Table 3

Before RM10.50 RM11.00 RM10.50 RM11.20 RM10.70 RM10.80
After RM10.80 RM12.00 RM10.50 RM11.20 RM10.80 RM10.80

(10 marks)

Answer 1

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