One-Samplet-test

Code Name IQ

1 Larry112

2 Logan113

3 Daniel120

4 Sofia 112

5 Jimmy 110

6 George 111

7 Noah114

8 Joy 115

9 Evelyn 113

10 Sally114

11Amelia 121

12 Mary 115

13 Ethan116

14 Dylan 111

15 James112

Research Question

RQ:Is there a difference between Oak City Elementary School chess club members and the average intelligence of students (100 IQ) in the United States?

Null Hypothesis

H₀:There is no significant difference between Oak City Elementary School chess club members and the average intelligence of students (100 IQ) in the United States.

Assumption of Normality

The One-Samplet-test requires that the assumption of normality be met. Normality was examined usingShapiro-Wilks/Kolmogorov-Smirnovbecause the sample size was less than 50 participants.The assumption of normality wasmet/not met.See Table 2 for Tests of Normality.

Table 2

Tests of Normality

Results

A One Samplest-testwas conducted tosee if there was adifference between Oak City Elementary School chess club members and the average intelligence of students (100 IQ) in the United States.The independent variable was chess club members.The researcherrejected/failed to rejectthe null hypothesis at the 95% confidence level wheret(00) =00.00,p=.000.Eta square equaled (h²=.000).The effect size wasextremely large/ very large/ large/ medium/ small.Eta square was calculated using the formulah²=t²/(t²+df).Therewas/was notastatistical difference between Oak City Elementary School chess club members (M=00.00,SD=00.00) and the average intelligence of students (100 IQ) in the United States. See Table 4 for One Samplet-test results.

Not sure how to run the t-test