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What is the median for the following scores: 2, 5, 4, 1, 8?

If I want to study the effect of a test prep course on SAT scores. SAT scores are the.....

Intro to Statistics

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Answers

1
If I want to study the effect of a test prep course on SAT scores. SAT scores are the.....
dependent variable
independent variable
categorical variable
nominal variable
2
What is the median for the following scores: 2, 5, 4, 1, 8?
3.5
4
4.5
7
3
Type I Error is another name for
False Negative
The Best kind of Error
False Positive
4
Which statistical test is used to identify a relationship between TWO CATEGORICAL VARIABLES?
Chi Square Test
T test
Correlation
ANOVA
5
A p value of 0.05 means
A probability of 5% that the null hypothesis is true
A probability of 95% that the null hypothesis is true
Your data are 5% accurate
6
A correlation of r = -0.45 indicates
An Increase in X and a decrease in Y; moderate correlation
An increase in X and an increase in Y; moderate correlation
An increase in X and a decrease in Y; strong correlation
an increase in X and an increase in Y ; strong correlation
7
Of the following Z scores, which one represents the location closest to the mean?
+1.0
-0.3
+0.5
-1.5
8
Which one of the following variables is NOT categorical?
Age of a person
Gender of a person
Marital status (single, married, divorced, other)
True/False choice on a test item