Find the standard deviation for the dataset (grouped data): Age (years) No. Of Persons 0-10 15 10-20 15 20-30 23 30-40 22 40-50 25 50-60 10 60-70 5 70-80 10
Added by Harizz K.
Step 1
Step 1: Calculate the total sum of the products of each age group and the number of persons: \(5 \times 15 + 15 \times 15 + 25 \times 23 + 35 \times 22 + 45 \times 25 + 55 \times 10 + 65 \times 5 + 75 \times 10 = 4395\) Show more…
Show all steps
Close
Your feedback will help us improve your experience
Jason Huang and 69 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Calculate the standard deviation of the following data 40 50 60 70 10 20 30 Age (Years) under 75 100 110 115 115 130 153 No. of persons dying
Pritesh R.
'28. Calculate the standard deviation of the following data Age ( Years) Under No. of persons dying 10 20 30 40 50 60 70 80 15 30 53 75 100 110 15 125'
Sri K.
Calculate the mean deviation about median age for the age distribution of 100 persons given below: $$ \begin{array}{|c|c|c|c|c|c|c|c|c|} \hline \begin{array}{c} \text { Age } \\ \text { (in years) } \end{array} & 16-20 & 21-25 & 26-30 & 31-35 & 36-40 & 41-45 & 46-50 & 51-55 \\ \hline \text { Number } & 5 & 6 & 12 & 14 & 26 & 12 & 16 & 9 \\ \hline \end{array} $$
Statistics
Introduction
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD