Tema
Q:
In SPSS, the dependent variable is designated as the "grouping variable" in the t test.
(A) True
(B) False
Q:
- La masse de chacun des onze joueurs d'une équipe de football est le
suivant: \( 74 \mathrm{~kg}-82 \mathrm{~kg}-78 \mathrm{~kg}-82 \mathrm{~kg}-75 \mathrm{~kg}-82 \mathrm{~kg}-71 \mathrm{~kg}-89 \mathrm{~kg}-85 \mathrm{~kg} \) -
79 kg - 82 kg . Quelle est la masse moyenne des joueurs de cette équipe ?
Q:
You have a pair of samples. The selection of subjects into one sample does not affect or affected by the selection of
subjects into the other sample are known as...
A. Random samples
(B) Independent samples
(C) Dependent samples
(D) Paired samples
Q:
A t test with the alternative hypothesis \( H_{1}: \mu_{1} \neq \mu_{2} \) would be a one-tailed test.
(A) True
(B) False
Q:
You are conducting an experiment. You have an experimental group and a control group but you are unable to use
random assignment to create those groups? Which test design you could use?
A) Independent samples
B) Random samples
(C) Multiple measures
(D) Matched-pairs
Question 9
Q:
You want to test this hypothesis. Men smoke more than women.
Your variables are: Gender (Male, Female); No of Cigarettes per Day
Which statistical test you should choose?
A) Chi Square
B) Independent Samples t-test
(C) Crequency Distribution
(D) Crosstabs and Clustered Bar Charts
Q:
Which of the following is a type of \( t \) test?
A A three-sample \( t \) test
(B) A dependent samples \( t \) test
(C) A random samples \( t \) test
(D) A dependent population \( t \) test
Q:
Which of the following is the t-test in which the entire critical value is placed in either the upper/positive or
lower/negative tail, in other words, there is only one critical value of the test statistic?
A) Two-tailed test
(C) Normal test :
(D) z test
Q:
Question 2 of 9 , Step 1 of 1
Find the mean of the following data set. Assume the data set is a sample. Round your answer to the nearest hundredth, if necessary.
\[ 16,23,24,29,12,24,25,18,22,19,19 \]
Q:
Which Data Display is best for deciphering the Mode of your Data?
Histogram
Box and Whisker Plot
Circle Graph/Pie Chart
Dot Plot
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