The manager of a company believes that differences in sales performance depends upon the salesperson's age. Independent samples of salespeople were taken and their weekly sales record is reported below. At 95% confidence, test the hypotheses (Use the Kruskal-Wallis test.)

Below 30 years No. of sales	Rank	Between 30 to 45 years No. of sales	Rank	Over 45 years No. of sales	Rank
24		23		30
16		17		20
21		22		23
15		25		25
19		18		34
26		29		36

1. Formulate the null hypothesis blank

2. Select the significance level blank

3a. Select the test statistic blank

There is difference in the performance of the sales due to age groups.chi square.95M1=M2=M3FZ.05M1>M2>M3.005M1 H.1

Q8. The manager of a company believes that differences in sales performance depends upon the salesperson's age. Independent samples of salespeople were taken and their weekly sales record is reported below. At 95% confidence, test the hypotheses (Use the Kruskal-Wallis test.)

Below 30 years No. of sales	Rank	Between 30 to 45 years No. of sales	Rank	Over 45 years No. of sales	Rank
24		23		30
16		17		20
21		22		23
15		25		25
19		18		34
26		29		36

c. Calculate the test statistic

Q8. The manager of a company believes that differences in sales performance depends upon the salesperson's age. Independent samples of salespeople were taken and their weekly sales record is reported below. At 95% confidence, test the hypotheses (Use the Kruskal-Wallis test.)

Below 30 years No. of sales	Rank	Between 30 to 45 years No. of sales	Rank	Over 45 years No. of sales	Rank
24		23		30
16		17		20
21		22		23
15		25		25
19		18		34
26		29		36

4. Identify p-value value blank for the test statistics and state the decision rule blank

Test Statistic-critical=

Answer rating: 100% (QA)

ANSWER To solve this problem we will use the KruskalWallis test which is a nonparametric test used t... View the full answer