Homework Sourse1 The population of workers in your company has mean earning
1
The population of workers in your company has mean earnings of $20 per hour with a standard deviation of $3 per hour. You plan to take a sample of n = 180 and calculate the sample mean of the earnings.
The E(x) = _____
a)
$0.22
b)
$1.49
c)
$20 *
d)
$23
e)
$25.88
2
... and the standard error of x is ______.
a)
$0.11
b)
$0.22*
c)
$1.49
d)
$3
e)
$5.88
| 1 | The population of workers in your company has mean earnings of $20 per hour with a standard deviation of $3 per hour. You plan to take a sample of n = 180 and calculate the sample mean of the earnings. | ||||||||
| The E(x) = _____ | |||||||||
| a) | $0.22 | ||||||||
| b) | $1.49 | ||||||||
| c) | $20 * | ||||||||
| d) | $23 | ||||||||
| e) | $25.88 | ||||||||
| 2 | ... and the standard error of x is ______. | ||||||||
| a) | $0.11 | ||||||||
| b) | $0.22* | ||||||||
| c) | $1.49 | ||||||||
| d) | $3 | ||||||||
| e) | $5.88 |
Solution
