Question

what is the mean of 19, 14, 42, 28, 17, 44, 47, 35, 11, 44, 42, 32, 14, 42, 19? (round decimals to two places.)
o 25
o 30
o 35
o 40

Explanation:

Step1: Calculate sum of numbers

$19 + 14+42 + 28+17+44+47+35+11+44+42+32+14+42+19=442$

Step2: Calculate number of data - points

There are 15 numbers.

Step3: Calculate the mean

The mean $\bar{x}=\frac{442}{15}\approx29.47$

Answer:

None of the provided options are correct. The mean (rounded to two decimal places) is 29.47.