answers N Valid 100 Missing 0 answers Frequency Percent Valid Percent Cumulative
ID: 3378641 • Letter: A
Question
answers
N
Valid
100
Missing
0
answers
Frequency
Percent
Valid Percent
Cumulative Percent
Valid
not positive
41
41,0
41,0
41,0
positive
59
59,0
59,0
100,0
Total
100
100,0
100,0
T-Test
[DataSet1] C:Usersmoma1491Downloadsrakes.sav
One-Sample Statistics
Machine Number
N
Mean
Std. Deviation
Std. Error Mean
1
Disc Brake Diameter (mm)
29
322,007056
,0135824
,0025222
2
Disc Brake Diameter (mm)
29
321,995641
,0143290
,0026608
3
Disc Brake Diameter (mm)
29
322,007988
,0228299
,0042394
4
Disc Brake Diameter (mm)
29
322,001226
,0102380
,0019011
One-Sample Test
Machine Number
Test Value = 322
t
df
Sig. (2-tailed)
Mean Difference
90% Confidence Interval of the Difference
Lower
Upper
1
Disc Brake Diameter (mm)
2,797
28
,009
,0070558
,002765
,011346
2
Disc Brake Diameter (mm)
-1,638
28
,113
-,0043589
-,008885
,000167
3
Disc Brake Diameter (mm)
1,884
28
,070
,0079877
,000776
,015200
4
Disc Brake Diameter (mm)
,645
28
,524
,0012262
-,002008
,004460
Questions:
a. Test 0:322=Hagainst 1:322H on the 10% level (i.e. = 0.10) by comparing the t-statistic to the critical value. You should calculate the t-statistics by hand and check that SPSS provided the correct value of the t-statistics.
b. Test 0:322=H against 1:322H on the 10% level (i.e. = 0.1) by comparing the p-value (given in the table by SPSS) to .
answers
N
Valid
100
Missing
0
Explanation / Answer
answers N Valid 100 Missing 0 answers Frequency Percent Valid Percent Cumulative
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