Answer:
a. A researcher wants to compare the hand–eye coordination of men and women. She finds a random sample of 100 men and 100 women, and measures their hand–eye coordination = paired samples
b. A researcher wants to know whether professors with tenure have fewer office hours than professors without tenure. She observes the number of office hours for professors with and without tenure. = independent samples
Explanation:
Paired-samples t tests compare scores on two different variables but for the same group of cases; independent-samples t tests compare scores on the same variable but for two different groups of cases.
Answer:
$15 is the answers
Step-by-step explanation:
please mark me as brainlest
Upper + Lower surface area= 2(12*12-36)=216cm^2
Side surface area=6*4*4=96+12*4*2=192
Total surface area= 216+192=408cm^2
