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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Please need help with 24 25 26 please

Here is JMP output comparing top of the line bats to lower priced bats. The
distance in feet that a ball was hit is measured.
-Oneway Analysis of Distance Hit (ft) By Type of Bat
79
3
60
55
lower price
Type of Bat
4 Oneway Anova
4 Summary of Fit
Rsquare
Adj Rsquare
Root Mean Square Error
Mean of Response
Observations (or Sum Wgts)
4 Pooled t Test
top of the line-lower price
Assuming equal variances
Difference
Std Err Dif
Upper CL Dif
Lower Dif
1
1
top of the line
0.250737
0.209111
4.491628
60.605
20
4.93000 t Ratio
2.00872 DF
9.15016 Prob> t
070984 Prob > t
2233
2.454303
18
0.0245*
0.0123*
Normal Quantle
90
0.9
5
the line

If this was 2 sample independent data, what assumption(s) would we need to
check?
25
normally distributed data
equal variances
all np. > 5
multinomial experiment
all E > 5
What is the value of our test statistic? Round to 2 decimal places.
Type your answer..
26
What is the critical value for the rejection region if this was a less than alternative
hypothesis at the 1% significance level? Round to 3 decimal places.
Type your answer.....

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