The mean and standard deviations of two samples of sizes 80 and 40 are
15 and 10; and 8 and 5 respectively. Calculate the standard deviation of the combined
sample.
Answers
Answered by
0
Answer:
The mean and standard deviations of two samples of sizes 80 and 40 are
15 and 10; and 8 and 5 respectively. Calculate the standard deviation of the combined
sample.
Step-by-step explanation:
.
Similar questions