Which tests are used when the assumption of normality is not met?
Correct answer A. Non parametric tests
Subject / 721 questions
Statistics MCQs
Page 18 of Statistics multiple-choice questions with answers. Tap an option to check yourself.
Page 18 of 37
Why do the probabilities α and β not add up to 1?
Correct answer B. Change of distribution
What other names are used for the dependent variable?
Correct answer D. All of the above
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What is another name for an explanatory variable?
Correct answer D. All of the above
Which statement correctly describes the cumulative distribution function (CDF) of a random variable X?
Correct answer A. From the smallest up to a specific value of x
Given X1 = 12, X2 = 19, X3 = 10 and X4 = 7, what is ΣX?
Correct answer C. 48
Which type of paper is needed to draw graphs of a frequency distribution?
Correct answer D. Ordinary
If the highest frequency in a distribution occurs at one end, what shape is its frequency curve?
Correct answer A. J-shaped
What is the graph formed by joining the midpoints of the tops of adjacent histogram rectangles called?
Correct answer A. Frequency polygon
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For the class 25–35, what is the lower class boundary?
Correct answer D. 25
Into how many equal parts does the class mark divide a class?
Correct answer B. Two
What are data collected personally by the investigator from the informants called?
Correct answer B. Primary
How do a source note and a footnote of a table compare?
Correct answer C. Different
What is the difference between the upper and lower class boundaries of a class known as?
Correct answer B. Class interval
What are the headings of the various columns in a table called?
Correct answer A. Column caption
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A frequency table arranges data by classes together with their ____ class frequencies. Which word fills the blank?
Correct answer D. Corresponding class
What are data called when they have not been arranged in any systematic order?
Correct answer A. Raw data
The range is the difference between the largest value and which other value?
Correct answer A. Smallest
What kind of lines are used to draw a line graph?
Correct answer A. Straight
Cumulative frequency is the number of observations ____ than the upper class boundary of a class. Which word completes this?
Correct answer D. Less