Question:
12.
If two groups of numbers have the same mean, then
| their standard deviations must also be equal. | |
| their medians must also be equal. | |
| their modes must also be equal. | |
| other measures of location need not be the same |
13.
The Sample Mean
| can never be negative. | |
| can assume any value between the highest and the lowest value in the sample. | |
| can never be zero. | |
| is always smaller than the mean of the population from which the sample was taken |
Answer:
Solution :
12)
If two groups of numbers have the same mean, then other measures of location need not be the same
13)
The sample mean can never be negative .