The sample in a statistical study is the subset from a population that is selected to meausure the variable.
In this case the population is all the national male readers of male magazines and the sample is the 3000 readers of male magazines that were radomly selected and interviewed.
Answer: the sample is the 3000 readers of male magazines that were radomly selected and interviewed
Answer:
11
Step-by-step explanation:
Jiri’s age is 43
Pamela is 5 years younger mean
Mean Jiri is old 5 years, take number of Jiri age minus Pamela age.
-> J-5=P
The sum mean plus
P+J=81
Use substitution for the equation 1 to find the answer.
(J-5) +J=81
2J-5=81
2J=86
J=43