Assessment Instructions
Answer the questions below following the Submission Requirements as specified at the end of the assessment.
Question 1
Complete the following steps:
Question 2
There are 218 first graders in an elementary school. Of these first graders 86 are boys and 132 are girls. School-wide there are 753 boys and 1063 girls. The principal would like to know if the gender ratio in first grade reflects the gender ratio across the school.
Complete the following:
Question 3
You recently read a magazine article stating that professionals who attended college online tend to earn higher salaries than professionals who attended brick-and-mortar universities. Identify this study’s two variables.
Question 4
Complete the following steps:
Question 5
Group A (n = 12) has a mean score of 7.42. Group B (n = 12) has a mean score of 6.00. Standard deviation for scores across all participants is 1.369. Group A’s mean is significantly higher than Group B’s mean (t= 2.84 < .01).
Question 6
Assume Cohen'sdto be approximately .40. If conducting an independent samplesttest (two-tail = .05) how many participants will you need in each group to achieve 90 percent (.90) power?
Question 7
Assume effect size to be approximately .29. If conducting a one-way ANOVA (three groups = .05) how many participants will you need in each group to achieve 80 percent (.80) power.
Question 8
Which of the following scenarios might be analyzed using a correlation?
Question 9
Indicate if you expect the relationship between the following variables to be negative (-) positive (+) or zero (0):
Question 10
Complete the following steps:
Question 11
Complete the following:
Question 12
Complete the following steps after opening the SPSS fileassessment5d.savlinked in the Resources under the Required Resources heading:
Submission Requirements