0 1 2 C 34 5 56 6 4 6 11 10 2 1 1 art a) Find the mean number of flaws per car. Please give your answer to two decimal places. he mean number of flaws per car is: art b) Find the variance of the number of flaws per car. Please give your answer to two decimal places. he variance of the number of flaws per car is:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
icon
Related questions
Question

The table below summarizes the number of surface flaws found on the paintwork of new cars following their inspection after primer paint was applied by a new method. 

No. of flaws No. of cars
0
4
1
6
2
11
3
10
4
2
5
1
6
1
Part a) Find the mean number of flaws per car. Please give your answer to two decimal places.
The mean number of flaws per car is:
Part b) Find the variance of the number of flaws per car. Please give your answer to two decimal places.
The variance of the number of flaws per car is:
T
●●●
Transcribed Image Text:No. of flaws No. of cars 0 4 1 6 2 11 3 10 4 2 5 1 6 1 Part a) Find the mean number of flaws per car. Please give your answer to two decimal places. The mean number of flaws per car is: Part b) Find the variance of the number of flaws per car. Please give your answer to two decimal places. The variance of the number of flaws per car is: T ●●●
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill