How much customers buy is a direct result of how much time they spend in the sto

Question

How much customers buy is a direct result of how much time they spend in the store. Astudy of average shopping times in a large national houseware store gave the following information (sources why we Buy: The Soience of shopping by P, underhil). Women with female companion: 8.3 min. Women with male companion: suppose you want to set up a statistical test to challenge the daim that a woman with a female friend spends an average of 3 minutes shopping in such a store (a) what would you use for the null andalternate hypotheses ir you believe the average shopping time is less than 8 3minutes? Is this a right-tailed, left-tailed, two tailed test? O lett-tailed O two-tailed (b) What would you use for the null and alternate hypotheses you believe the average shopping time is ts this a right-tailed, lehtailed, or stores that sell mainly to women should figure out a way to engage the interest of men Perhaps comfortable seats and a big with sports programs. Suppose such an entertainment center was installed and you no wish to challenge the claim that male friend spends only minutes shopping in a (c) what would you for the and alternate hysotheses ir voubelieve the average shopping time is more than 4 minutes?

Explanation / Answer

a) Ho: mean=8.3

Ha: mean<8.3

left tailed test

b) mean =8.3

mean 8.3

two tailed

c)mean =4.5

mean>4.5

right tailed

d)mean =4.5

mean4.5

two tailed

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