Two large competitors in the supermarket retail industry

Reference no: EM13692306

Coles and Woolworths exist as two large competitors in the supermarket retail industry. A marketing firm is interested in measuring dominancy in this specific industry by observing the percentage of market share over several months. Data collected over the months of January to July is shown below with incomplete data for the month of July. The firm is interested in knowing if there is a significant difference amongst the popularity of the two stores. We do not assume that the population is normally distributed. Use alpha as 0.05. J F M A M J J Woolworths 48 52 48 44 51 49 Coles 47 42 46 48 44 49 45

1. State the direction of the alternative hypothesis used for this test. Type gt (greater than), ge (greater than or equal to), lt (less than), le (less than or equal to) or ne (not equal to) as appropriate in the box. Blank 1

2. Assuming Woolworths is considered group 1, what is the value of U1? (To the nearest whole number) Blank 2

3. Is the null hypothesis rejected? (Enter yes or no) Blank 3

4. On the basis of this test, is there a difference between the popularity of the two stores? (enter yes or no) Blank 4

Reference no: EM13692306

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