The dot plot shows how Mr. Ruda’s class scored on a 5-point math quiz. Mr. Ruda described the data as having a spread from 0 to 5, a center of 3, two clusters, and a peak at 5. Where did Mr. Ruda make an error?
The spread is from 0 to 8.
The center is at 2.
There is only one cluster.
The peak is at 8.
( Picture shows scores on the math quiz)
Answers
Given : The dot plot shows how Mr. Ruda’s class scored on a 5-point math quiz.
Mr. Ruda described the data as having a spread from 0 to 5,
a center of 3,
two clusters,
a peak at 5.
To Find : Where did Mr. Ruda make an error
Solution:
Marks f cf
0 3 3
1 5 8
2 5 13
3 0 13
4 3 16
5 8 24
or data can be written as
0 0 0 1 1 1 1 1 2 2 2 2 2 4 4 4 5 5 5 5 5 5 5 5
Spread is from 0 to 5 CORRECT
Peak is at 5 CORRECT
There are two clusters CORRECT
(from 0 to 2 and 4 to 5 ) gap is at 3
Median will be 24/2 + 1 = 13th data
Hence Center is at 2 2 is 13th data
Mr. Ruda make an error claiming a center of 3
Learn More:
Please help!!!! The following dot plots represent the scores on the ...
brainly.in/question/15868811
The following dot plot summarizes the distance Roger ran in each of ...
brainly.in/question/9166890
The table shows the ages of some people who retired early. You are ...
brainly.in/question/16018249