A department store has recently launched new sets of clothes. The store manager initially believes that each set of clot
Posted: Wed Jul 06, 2022 12:11 pm
- A Department Store Has Recently Launched New Sets Of Clothes The Store Manager Initially Believes That Each Set Of Clot 1 (111.18 KiB) Viewed 12 times
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To test whether there has been a change in the proportion of buyers' choices within six months after the launching of new clothes, the appropriate null and alternative hypothesis are A. Ho: PA = PB = Pc = PD = P = P = 1.00 HA: Not all population proportions are equal to 1.00. B. Ho: PA PB = Pc = Po = PE = PF = 0.17 HA: Not all population proportions are equal to 0.17. C. Ho: PA= 0.47, Pa= 0.45, pc = 0.40, Po= 0.39, Pe= 0.35, p = 0.34 HA: Not all population proportions equal their hypothesized values. D. He: PA + PB+ Pc+ Po+ PE+ Pr = 1.00 HA: Not all population proportions equal their hypothesized values.
What is the proportion of buyers who prefer clothes from Set B? A. 16.25% B. 16.67% C. 18.75% D. 19.58%
Calculate the degrees of freedom for the goodness-of-fit test above. A. 5 B. 6 C. 7 D. 8
The value of the test statistic for the goodness-of-fit test above is A. x² = 3.40 B. x² = 3.40 C. X² = 2.40 D. x² = 2.40
The p-value is A. less than 0.01 B. between 0.01 and 0.025 C. between 0.05 and 0.10 D. greater than 0.10
Using the p-value approach, the decision and conclusion for the test are A. do not reject Ho; we can conclude that there has been a change in the proportion of buyers' choices within six months after the launching of new clothes B. do not reject Ho; we cannot conclude that there has been a change in the proportion of buyers' choices within six months after the launching of new clothes C. reject Ho; we can conclude that there has been a change in the proportion of buyers' choices within six months after the launching of new clothes D. reject Ho; we cannot conclude that there has been a change in the proportion of buyers' choices within six months after the launching of new clothes