Which of the following is not a step or assumption in carrying out an independent groups t-test?
PSYC1040 Tute 11

Quiz
•
Science
•
University
•
Hard
Joshua Sabio
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
estimating the variance of the population of the distribution of differences between means
assuming the difference between the groups is zero
estimating the standard deviation (standard error) of the distribution of the difference between the means
assuming there is no correlation between score pairs for the two conditions of the study
summing the z-score products
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A computer software company wishes to know whether Microsoft’s Word is better than Apple’s Pages. Eight equally proficient microcomputer operators are randomly divided into two equal groups. One group is given Word and the other is given Pages. The mean time to produce perfect copies of the same document is 52 minutes for the group using Word and 44 minutes for the group using Pages. The sums of squares for Word is 22 and for Pages, it is 26.
What is the research design?
Independent groups
Matched subjects
Repeated measures
Non-experimental (observational)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A computer software company wishes to know whether Microsoft’s Word is better than Apple’s Pages. Eight equally proficient microcomputer operators are randomly divided into two equal groups. One group is given Word and the other is given Pages. The mean time to produce perfect copies of the same document is 52 minutes for the group using Word and 44 minutes for the group using Pages. The sums of squares for Word is 22 and for Pages, it is 26.
What is the measurement scale for the dependent variable?
at least ordinal and possibly interval
at least interval and possibly ratio
definitely ratio
definitely nominal
definitely interval and not ratio
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A computer software company wishes to know whether Microsoft’s Word is better than Apple’s Pages. Eight equally proficient microcomputer operators are randomly divided into two equal groups. One group is given Word and the other is given Pages. The mean time to produce perfect copies of the same document is 52 minutes for the group using Word and 44 minutes for the group using Pages. The sums of squares for Word is 22 and for Pages, it is 26.
What type of measure is being taken?
self-report/rating
behavioural
physiological
self-report/forced-choice
self-report/semantic differential
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A computer software company wishes to know whether Microsoft’s Word is better than Apple’s Pages. Eight equally proficient microcomputer operators are randomly divided into two equal groups. One group is given Word and the other is given Pages. The mean time to produce perfect copies of the same document is 52 minutes for the group using Word and 44 minutes for the group using Pages. The sums of squares for Word is 22 and for Pages, it is 26.
What are the two independent estimates of the population variance?
6.17 and 6.89
7.33 and 8.66
6.99 and 7.13
7.34 and 8.52
12.65 and 14.68
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A computer software company wishes to know whether Microsoft’s Word is better than Apple’s Pages. Eight equally proficient microcomputer operators are randomly divided into two equal groups. One group is given Word and the other is given Pages. The mean time to produce perfect copies of the same document is 52 minutes for the group using Word and 44 minutes for the group using Pages. The sums of squares for Word is 22 and for Pages, it is 26.
What is the pooled variance in this example?
4
8
12
16
96
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A computer software company wishes to know whether Microsoft’s Word is better than Apple’s Pages. Eight equally proficient microcomputer operators are randomly divided into two equal groups. One group is given Word and the other is given Pages. The mean time to produce perfect copies of the same document is 52 minutes for the group using Word and 44 minutes for the group using Pages. The sums of squares for Word is 22 and for Pages, it is 26.
What is the variance of each of the two distributions of means?
1
2
6
8
3
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
African American Scientists and Inventors

Quiz
•
7th Grade - University
15 questions
Classification and Phylogeny

Quiz
•
9th Grade - University
15 questions
Worms

Quiz
•
5th Grade - University
14 questions
BSN 2-C (NCM 2023-2024)

Quiz
•
University
10 questions
Questioning Skills

Quiz
•
5th Grade - University
8 questions
PRETEST MC FC 2

Quiz
•
10th Grade - University
15 questions
10 in 60

Quiz
•
8th Grade - University
13 questions
BASIC STATS - MODULE 3

Quiz
•
University
Popular Resources on Quizizz
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade