Question

using your calculator, find the range and standard deviation, round to two decimals places:
the table below gives the number of hours spent watching tv last week by a sample of 24
children.

range = 84

standard deviation =

calculator

Explanation:

Step1: Input data into calculator

Input the data set \( \{88,68,34,45,25,32,85,23,37,52,32,38,57,83,74,77,84,90,28,27,27,34,94,10\} \) into the calculator.

Step2: Calculate standard deviation

Using the calculator's standard - deviation function for a sample (since it's a sample of 24 children), we get the value.

Answer:

\(26.95\)