EXAMINATION TEST 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ Which word is NOT part of the definition of descriptive statistics?
Answer: Predicting
◉ A marketing class of 50 students evaluated the instructor using the
following scale: superior, good, average, poor, and inferior. The
descriptive summary showed the following survey results: 2% superior,
8% good, 45% average, 45% poor, and 0% inferior. Answer: c. Most
students rated the instructor as poor or average.
◉ What type of variable is the number of robberies reported in your
city? Answer: Quantitative
◉ The Nielsen Ratings break down the number of people watching a
particular television show by age. What level of measurement is age?
Answer: Ratio
◉ What level of measurement is a person's "favorite sport"? Answer:
Nominal
,◉ The final rankings of the top 20 NCAA college basketball teams are
an example of which level of measurement? Answer: Ordinal
◉ What level of measurement is the Centigrade temperature scale?
Answer: Interval
◉ A survey includes a question regarding marital status that has the
following responses: single, married, divorced, separated, or widowed.
What is the scale of measurement for this question? Answer: Nominal
◉ A group of women tried five brands of fingernail polish and ranked
them according to preference. What level of measurement is this?
Answer: Ordinal
◉ Shoe style is an example of what level of measurement? Answer:
Nominal
◉ When TV advertisements report "2 out of 3 dentists surveyed
indicated they would recommend Brand X toothpaste to their patients,"
an informed consumer may question the conclusion because the.
Answer: Advertisement does not include the total number of dentists
surveyed
,◉ A sample of the paramedical fees charged by clinics revealed these
amounts: $55, $49, $50, $45, $52, and $55. What is the median charge?
Answer: 51.00
◉ For a data set with an odd number of observations that have been
sorted from smallest to largest values, where is the median located?
Answer: (n + 1)/2
◉ Assume a student received the following grades for the semester:
History, B; Statistics, A; Spanish, C; and English, C. History and English
are 5 credit-hour courses, Statistics a 4 credit-hour course, and Spanish a
3 credit-hour course. If 4 grade points are assigned for an A, 3 for a B,
and 2 for a C, what is the weighted mean grade for the semester?
Answer: 2.76
◉ A disadvantage of using an arithmetic mean to summarize a set of
data is that __________. Answer: It can be biased by one or two
extremely small or large values
◉ A survey item asked students to indicate their class in college:
freshman, sophomore, junior, or senior. Which measure(s) of central
location would be appropriate for the data generated by that
questionnaire item? Answer: Mode and median
◉ The times (in minutes) that several underwriters took to review
applications for similar insurance coverage are 50, 230, 52, and 57.
, What is the median length of time required to review an application?
Answer: 54.5
◉ For the most recent seven years, the U.S. Department of Education
reported the following number of bachelor's degrees awarded in
computer science: 4,033; 5,652; 6,407; 7,201; 8,719; 11,154; 15,121.
What is the annual arithmetic mean number of degrees awarded?
Answer: About 8,327
◉ Which of the following measures of dispersion are based on
deviations from the mean? Answer: All apply
◉ From the easiest to the hardest "ease of interpretation," rank the
measures of dispersion. Answer: Range, mean deviation, variance
◉ The weights of a sample of crates ready for shipment to Moscow,
Russia are (in kilograms): 103, 97, 101, 106, and 103. What is the mean
deviation? Answer: 2.4 kg
◉ A sample of assistant professors on the business faculty at state-
supported institutions in Ohio revealed the mean income to be $72,000
for nine months, with a standard deviation of $3,000. Using Chebyshev's
Theorem, what proportion of the faculty earns more than $66,000, but
less than $78,000? Answer: At least 75%