Question

iq scores are collected from a sample of students at a large university. the scores are shown below. 99, 100, 105, 104, 102, 105, 105, 121, 104. what is the mean iq for this sample? 102 104 105 110

Explanation:

Step1: Calculate sum of scores

$99 + 100+105 + 104+102+105+105+121+104=945$

Step2: Determine number of scores

There are 9 scores.

Step3: Calculate the mean

$\text{Mean}=\frac{945}{9}=105$

Answer:

C. 105