You may need to use the appropriate technology to answer this question. Guitars R.US has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000) are shown below. Please note the sample sizes are not equal. Store 1 87 77 78 91 82 Store 2 87 88 O Ho: store 1 H: Hstore 1 83 86 (a) Compute the overall mean. 84.25 HStore 2 Store 3 Store 2 79 (b) State the null and alternative hypotheses to test for difference in the population mean sales among the three stores. O Ho: Store 1 #Store 2 * Store 3 H: At least two of the store means are different. 84 89 Store 3 store 3 Ho: Store 1 Store 2 = Store 3 H: At least two of the store means are different. 10 Hei Hor=#store 2 #store 3
You may need to use the appropriate technology to answer this question. Guitars R.US has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000) are shown below. Please note the sample sizes are not equal. Store 1 87 77 78 91 82 Store 2 87 88 O Ho: store 1 H: Hstore 1 83 86 (a) Compute the overall mean. 84.25 HStore 2 Store 3 Store 2 79 (b) State the null and alternative hypotheses to test for difference in the population mean sales among the three stores. O Ho: Store 1 #Store 2 * Store 3 H: At least two of the store means are different. 84 89 Store 3 store 3 Ho: Store 1 Store 2 = Store 3 H: At least two of the store means are different. 10 Hei Hor=#store 2 #store 3
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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