Question

value: 4
a random number generator was used to resample the group. use the new table below to answer the questions.
cholesterol in mg/dl
new control: 220, 245, 247, 230, 243, 218, 245, 240, 224, 232
new treatment: 225, 248, 221, 242, 235, 246, 250, 224, 241, 242
what is the mean of the new control group? round to the nearest tenth.
a. 234.4
b. 237.4
c. 235.9
d. 242.5

Explanation:

Step1: Sum control group values

$220 + 245 + 247 + 230 + 243 + 218 + 245 + 240 + 224 + 232 = 2344$

Step2: Calculate the mean

$\frac{2344}{10} = 234.4$

Step3: Round to nearest tenth

Value is already to the nearest tenth.

Answer:

a. 234.4