The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At α=0.05, is...

The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At α=0.05, is there enough evidence to support the claim that the standard deviation of the annual salaries is different from $5700 Assume the population is normally distributed.

50,774 40,957 52,422 46,539 41,745 40,196 51,035

52,103. 43,862 34,870 35,087 28,218 32,662 37,916

Find the standardized test statistic for the chiχsquared2-test

Expert Solution

We will find the standard deviation of the sample. Define the null and alternative hypothesis according to the mentioned claim. Find the critical value from the critical value table of chi-square. Make a conclusion from the test statistics and critical value.

orchestra answered 1 year ago

The annual salaries of 16 randomly chosen actuaries are listed below. At a=0.01 can you conclude...

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Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities.

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Sample annual salaries (in thousands of dollars) for employees at a company are listed. 42 51 57 47 41 41 42 51 57 31 47 42 46 (a) Find the sample mean and sample standard deviation. (b) Each employee in the sample is given a 55% raise. Find the sample mean and sample standard deviation for the revised data set. (c) To calculate the monthly salary, divide each original salary by 12. Find the sample mean and sample standard...

Question

The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At α=0.05, is...

Solutions

Expert Solution

Related Solutions

The annual salaries of 16 randomly chosen actuaries are listed below. At a=0.01 can you conclude...

Sample annual salaries? (in thousands of? dollars) for employees at a company are listed. 50 50??...

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 43, 54,...

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 55 38...

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 54 49...

Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities.

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 40 35 ...

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 52 40 ...

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 52 49 ...

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 42 51 ...

Question

The annual salaries​ (in dollars) of 14 randomly chosen fire fighters are listed. At α=0.05, is...

Solutions

Expert Solution

Related Solutions

The annual salaries (in dollars) of 14 randomly chosen fire fighters are listed. At α=0.05, is...