113-2 B班統計期中複習

113-2 B班統計期中複習

University

10 Qs

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113-2 B班統計期中複習

113-2 B班統計期中複習

Assessment

Quiz

Social Studies

University

Practice Problem

Hard

Created by

黃蕙儀 黃蕙儀

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Compared to independent-measures designs, repeated-measures designs reduce the variance by removing individual differences.

O

X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. An independent-measures study with n = 20 scores in each condition will

produce an independent-measures t statistic with df = 18.

O

X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The correct alternative hypothesis for a one-tailed repeated-measures t test is

μ ≠ 0

O

X

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. A matched-subjects research design is a type of repeated-measures research design because the participants in each treatment condition are the same people.

O

X

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. One advantage of a repeated-measures research design is that it typically requires fewer participants than an independent-measures design.

O

X

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct null hypothesis for an independent-measures t test?

μ1-μ2≠0

M1-M2≠0

μ1-μ2=0

M1-M2=0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An independent-measures research study uses n = 15 participants in one group

and n = 12 participants in a second group to compare two treatment conditions.

What is the df value for the t statistic computed for the corresponding hypothesis test?

df=27

df=24

df=25

df=26

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