Question

In: Statistics and Probability

The mean number of sick days an employee takes per year is believed to be about...

The mean number of sick days an employee takes per year is believed to be about ten. Members of a personnel department do not believe this figure. They randomly survey eight employees. The number of sick days they took for the past year are as follows: 12; 4; 15; 3; 11; 8; 6; 8. Test the claim of the personnel team, that the mean number of sick days per year is less than ten. Ho : μ = Ha : μ < t - Test Statistic = (Round to 2 decimals) p - Value = (Round to 4 decimals)

Solutions

Expert Solution

thank you.


Related Solutions

The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 11; 6; 13; 3; 11; 9; 8; 10. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 11; 6; 13; 5; 9; 9; 6; 8. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 11; 6; 14; 3; 11; 8; 7; 8. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 11; 6; 13; 3; 11; 9; 8; 10. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 11; 5; 15; 3; 10; 10; 8; 9. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 10; 6; 14; 4; 10; 9; 8; 9. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
The mean number of sick days an employee takes per year is believed to be about...
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 12; 6; 15; 5; 11; 10; 6; 8. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10?...
ABC Corporation has 350 employees. The distribution of number of sick days per employee per year...
ABC Corporation has 350 employees. The distribution of number of sick days per employee per year for the population of 350 employees is not highly skewed and has a mean of 12 and a standard deviation of 4. Suppose a simple random sample of 25 employees' number of sick days is taken, what is the probability that the sample of 25 will have mean number of sick days between 10 and 14? Show your work.
Someone claims that the mean number of sick days that employees in New Jersey take per...
Someone claims that the mean number of sick days that employees in New Jersey take per year is 5.3. To look into that claim, you take a representative sample of 78 employees in New Jersey and find that the mean number of sick days is 5.5 in the sample. The population standard deviation is 1.6. Part (a)    Given that the sample mean is different from the claimed population mean, does that show that the claim in H0 is false?...
A manager is looking at the number of sick days used by employees in a year....
A manager is looking at the number of sick days used by employees in a year. H0: the average number is 8 or below H1: the average is over 8 We know that the standard deviation of the number of sick days used by employees is 2, and we want to test at 10% significance level. Say we took a random sample of 50 employees, and checked their records, and found that the average was 8.1 The manager figures that...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT