From a population of size 600, a simple random sample of size 58 is selected. The sample mean is ...

From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40 . The population total is _____.
a. 3,944
b. 16,000
c. 240,000
d. 24,000

Q. 2

Chebysheff's Theorem applies only to data sets that have a bell shaped distribution.
Indicate whether the statement is true or false

Q. 3

From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40 . An approximate 95 confidence interval for the population mean is _____.
a. 395 to 405
b. 380 to 420
c. 360 to 440
d. 390 to 410

Q. 4

The range is considered the weakest measure of variability.
Indicate whether the statement is true or false

Q. 5

From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40 . An estimate of the standard error of the mean is _____.
a. 4.0
b. 5.0
c. 6.0
d. 7.0

Q. 6

The variance is more meaningful and easier to interpret compared to the standard deviation.
Indicate whether the statement is true or false

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From a population of size 600, a simple random sample of size 58 is selected. The sample mean is ...

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