18.14 From the two-sample t test we conclude that (a) individuals with HSAM have significantly greater abilities on verbal association tests than non-HSAMat individuals, on average. (b) individuals with or without HSAM have the same abilities on verbal association tests, on average. (c) the study failed to find significant evidence that, on average, individuals with HSAM have greater abilities on verbal association tests than non-HSAM individuals. 10 10

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18.14 please! 

18.14 From the two-samplet test we conclude that
(a) individuals with HSAM have significantly greater
abilities on verbal association tests than non-HSAM
individuals, on average.
(b) individuals with or without HSAM have the same
abilities on verbal association tests, on average.
(c) the study failed to find significant evidence that, on
average, individuals with HSAM have greater abilities on
verbal association tests than non-HSAM individuals.
O 19
Transcribed Image Text:18.14 From the two-samplet test we conclude that (a) individuals with HSAM have significantly greater abilities on verbal association tests than non-HSAM individuals, on average. (b) individuals with or without HSAM have the same abilities on verbal association tests, on average. (c) the study failed to find significant evidence that, on average, individuals with HSAM have greater abilities on verbal association tests than non-HSAM individuals. O 19
Alternative hypothesis: Difference of means >
Difference of means = 0
Null hypothesis:
Alternative hypothesis: Difference of meane
Sample Mean
Std Dev
HSAM
3.444
2.506
CON
18
3
2.301
df:
14.92
Difference of means :
0.4444
t statistic:
0.4463
P-value:
0.3309
18.13 What is the value of the test statistic for this
two-sample t test?
(a) 0
(b) 0.4463
(c) 12.92
Transcribed Image Text:Alternative hypothesis: Difference of means > Difference of means = 0 Null hypothesis: Alternative hypothesis: Difference of meane Sample Mean Std Dev HSAM 3.444 2.506 CON 18 3 2.301 df: 14.92 Difference of means : 0.4444 t statistic: 0.4463 P-value: 0.3309 18.13 What is the value of the test statistic for this two-sample t test? (a) 0 (b) 0.4463 (c) 12.92
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