Question: Complete all six steps of hypothesis testing for these data sets. Remember to keep the six steps in the right order. A consumer researcher gave
A consumer researcher gave consumers a sample shampoo. After using the shampoo, each consumer used an interval-level scale to rate his or her satisfaction with it. Scores could range from 0 to 100, with higher scores indicating greater satisfaction. Consumers didnt know each other and were randomly assigned to three groups: (1) Receive a store brand of shampoo in a bottle clearly labeled as such, (2) Receive a premium brand of shampoo in the premium brands bottle, or (3) Receive a store brand of shampoo in the premium brands bottle. Here are the collected data:

Store Premium Store Brand, Brand, Brand, Store Premium Premium Bottle Bottle Bottle 70 85 85 65 90 80 65 95 90 60 90 85 Mcrand M= 65.00 M= 90.00 M= 85.00 = 80.00 S= 4.08 S= 4.08 S= 4.08
Step by Step Solution
3.45 Rating (155 Votes )
There are 3 Steps involved in it
Step 1 Pick a Test The test compares the means of three independent samples so use a betweensubjects oneway ANOVA Step 2 Check the Assumptions The random samples assumption is violated but this assump... View full answer
Get step-by-step solutions from verified subject matter experts
