BUS 308 Week 2 Problem Set Week Two ASHFORD

# BUS 308 Week 2 Problem Set Week Two ASHFORD

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T-Testing and Anova

BUS 308: Statistics for Managers

ASHFORD BUS 308 Week 2 Problem Set Week Two.

550 Words

Suppose that an automotive parts and accessories chain is experimenting with a new sales promotion. Two similar stores are selected for the experiment. For Store 1, nothing changes. This store constitutes the control group. For Store 2, the treatment group, the promotion is implemented.

Sales in hundreds of dollars over a five-day period are as follows:

a. Control: 6, 6, 7, 10, 12, 9, 6, 5, 5, 7

b. Treatment: 2, 5, 2, 4, 7, 1, 2, 3, 4, 5

Hypothesis test:

Null Hypothesis :?1??2 against H1 : ?1?2 (One tailed)

t-Test: Two-Sample Assuming Equal Variances

control

treatment

Mean

7.3

3.5

Variance

Observations

10

10

Pooled Variance

Hypothesized Mean...

BUS 308
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Excerpt from file: TTestingandAnova BUS308:StatisticsforManagers ASHFORDBUS308Week2ProblemSetWeekTwo. 550Words TTEST-ANOVA 2 Supposethatanautomotivepartsandaccessorieschainisexperimentingwithanewsales promotion.Twosimilarstoresareselectedfortheexperiment.ForStore1,nothingchanges.This

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