Rochelle got a score of 55 which is equivalent to 70th percentile in a mathematics test. Which of the following is NOT true? a. She scored above 70% of her classmates. b. Thirty percent of the class got scores of 55 and above. c. If the passing mark is the first quartile, she passed the test. d. Her score is below the 5th decile. The second quartile is always equal to the 25th percentile. True False The median score is also the... 75th percentile 5th decile 3rd decile 1st quartile It is a statistical procedure in determining which hypothesis is more acceptable as true or which hypothesis is more likely to be false. Alternative hypothesis Null hypothesis Hypothesis testing Hypothesis Interval True or False: Spearman Rank Correlation is a parametric measure of rank correlation. It assesses how well the relationship between two or more variables can be described using a monotonic function. True False Used for testing the mean of a population versus a standard, or comparing the means of two populations, with large (n ≥ 30) samples whether you know the population standard deviation or not. It is also used for testing the proportion of some characteristic versus a standard proportion, or comparing the proportions of two populations. Z- test t-test F-test R-test

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Rochelle got a score of 55 which is equivalent to 70th percentile in a mathematics test. Which of the following is NOT true?

a. She scored above 70% of her classmates.

b. Thirty percent of the class got scores of 55 and above.

c. If the passing mark is the first quartile, she passed the test.

d. Her score is below the 5th decile.

The second quartile is always equal to the 25th percentile.

True

False

The median score is also the...

75th percentile

5th decile

3rd decile

1st quartile

It is a statistical procedure in determining which hypothesis is more acceptable as true or which hypothesis is more likely to be false.

Alternative hypothesis

Null hypothesis

Hypothesis testing

Hypothesis Interval

True or False: Spearman Rank Correlation is a parametric measure of rank correlation. It assesses how well the relationship between two or more variables can be described using a monotonic function.

True

False

Used for testing the mean of a population versus a standard, or comparing the means of two populations, with large (n ≥ 30) samples whether you know the population standard deviation or not. It is also used for testing the proportion of some characteristic versus a standard proportion, or comparing the proportions of two populations.

Z- test

t-test

F-test

R-test

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