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VERIFIED Probability and Statistics for engineers 2026 QUESTION AND CORRECT ANSWERS

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1. The objects being studied are grouped into categories based on some qualitative trait is definition to …………... (a) nominal data (b)quantity data (c) categorical data (d)ordinal data 2. ..........is a type of categorical data in which order is important. (a) Data (b)Nominal data (c) Ordinal data (d)Quantity data 3. The height of an individual is an example of a (a) Discrete data (b)Continuous data (e) Nominal data (c) data 4................... is a bar graph in which the horizontal scale represents classes of data values and the vertical scale represents frequencies. (a) Dot plots (b) Pie chart (c) Polygon (d) Histogram 5. Which of the following parameters are measures of central tendency (a) median (b)range (c)standard deviation (d)none of those 6. “A collection of methods for planning experiments, obtaining data, and then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions” is definition to……………… (a) Probability. (b)Statistics. (c) Variance. (d)All of these. 7. …………..describe data that have been collected. Commonly used descriptive statistics include frequency counts, ranges (high and low scores or values), means, modes, median scores, and standard deviations. (a) Descriptive statistics. (b)Inferential Statistics. (c) Statistics (d)All of these 3 8. ……………..generalizing from samples to populations u

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Taibah University
College of Science
Mathematics Department
Form A
FIRST MAJOR EXAM
Course Name: Probability and Statistics for engineers Course Code: STAT301

Date : Mon. / 1435 H Time : 75 Minutes


Student Name Student No.

Teacher Name Section


INSTRUCTIONS:
 The exam contains 20 points in 3 pages in addition to a cover page.
 Circle the right answer in the following table.
 Choose more than one answer cancels your answer.
 Calculators are allowed.



Question 1 2 3 4 5 6 7 8 9 10
Number
A A A A A A A A A A
B B B B B B B B B B
C C C C C C C C C C
D D D D D D D D D D




Question 11 12 13 14 15 16 17 18 19 20
Number
A A A A A A A A A A
B B B B B B B B B B
C C C C C C C C C C
D D D D D D D D D D




1

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