19. The following table gives the daily low temperature of random 27 days. Complete the table and calculator the sample mean. Round the answer to two decimal points. (6pts) Daily low temperatue Freq (f ) class midpt (x) f.x 25-29 30-34 35-39 9. 40-44 6. 45-49 50-54 1 n= Σf = Σ fx) = %3D %3D %3D Σ (f-x) Find the sample mean using x %3D 4.

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19. The following table gives the daily low temperature of random 27 days. Complete the table and
calculator the sample mean. Round the answer to two decimal points. (6pts)
Daily low
temperatue
Freq (f )
class midpt (x)
f.x
25-29
30-34
35-39
9.
40-44
6.
45-49
50-54
1
n= Σf =
Σ fx) =
%3D
%3D
%3D
Σ (f-x)
Find the sample mean using x
%3D
4.
Transcribed Image Text:19. The following table gives the daily low temperature of random 27 days. Complete the table and calculator the sample mean. Round the answer to two decimal points. (6pts) Daily low temperatue Freq (f ) class midpt (x) f.x 25-29 30-34 35-39 9. 40-44 6. 45-49 50-54 1 n= Σf = Σ fx) = %3D %3D %3D Σ (f-x) Find the sample mean using x %3D 4.
Expert Solution
Step 1

Solution:

19.

The sample mean is calculated as follows:

Here, the data is inclusive.

Statistics homework question answer, step 1, image 1

To make that exclusive add 0.5 to every upper limit and subtract 0.5 from every lower limit.

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