Question

In: Statistics and Probability

The number of sick days due to colds and flu last year was recorded by a...

The number of sick days due to colds and flu last year was recorded by a sample of 13 employees.

The data are 0, 1, 3, 5, 5, 5, 7, 8, 8, 9, 12, 13, 15 .

What is the interquartile range (IQR)?

Select one:

5

7

6

4

Solutions

Expert Solution

After rounding 6.5 = 7

IQR = 7


Related Solutions

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...
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 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 :...
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.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT