Dima asked her seventh-period class how many times they attended a summer camp since first grade. She put her data in the table and used the shaded rows to find three sample means.
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Answer:
Step-by-step explanation:
Answer with explanation:
Data set Showing number of times seventh period class attended a summer camp since first grade:
3, 1, 0, 4, 1,⇒⇒Mean =1.8
4, 2, 3, 0, 5,⇒⇒Mean =2.8
0, 1 , 1, 2, 0,⇒⇒Mean =0.8
4, 1, 4, 4, 2,⇒⇒Mean =3
3, 2, 0, 1, 4⇒⇒Mean =2
⇒≡Mean of a Data set is sum of all the variate in data set divided by total number of Variate in the data set.
Range of the sample Means of a data set is difference between Maximum value of variate in the data set and Minimum value of Variate in Data set.
Maximum Value in the sample mean = 3
Minimum Value in the sample mean = 0.8
⇒Range = Maximum value of mean - Minimum value of mean
= 3 - 0.8
= 2.2
Given : Dima asked her seventh-period class how many times they attended a summer camp since first grade . She put her data in the table and used the shaded rows to find three sample
To find : Range of the values for the sample means
Solution:
Missing Data (shaded rows has been bold)
3 1 0 4 1
4 2 3 0 5
0 1 1 2 0
4 1 4 4 2
3 2 0 1 4
Sample mean for 3 1 0 4 1
= (9/5) = 1.8
Sample mean for 4 2 3 0 5
= (14/5) = 2.8
Sample mean for 4 1 4 4 2
= (15/5) = 3
Sample means = 1.8 , 2.8 , 3
Range of Sample Mean = 3 - 1.8 = 1.2
Range of the values for the sample means = 1.2
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