BQA Final Exam 2024/2025 Exam
Questions with Detailed Verified
Answers (100% Correct Answers) |
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What is statistics? - 🧠ANSWER ✔✔It is the science that deals with
collection, classification, analysis, and interpretation of information or data.
Explain the difference between descriptive and inferential statistics. -
🧠ANSWER ✔✔Descriptive statistics describes sets of data. Inferential
statistics draws conclusions about the sets of data based on sampling.
Explain how populations and samples differ. - 🧠ANSWER ✔✔A population
is a set of units of interest to a study. A sample is a subset of the units of a
population.
Define the population of interest to the interviewers. - 🧠ANSWER ✔✔All
people in the region who are over
18
years old
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, What variable is being measured? - 🧠ANSWER ✔✔Marriage
status
Is it quantitative or qualitative? - 🧠ANSWER ✔✔Qualitative
Is the problem of interest to the interviewers descriptive or inferential? -
🧠ANSWER ✔✔Inferential
A Pareto diagram is a pie chart where the slices are arranged from largest
to smallest in a counterclockwise direction. - 🧠ANSWER ✔✔False
The amount spent on textbooks for the fall term was recorded for a sample
of five hundred university students. The mean expenditure was calculated
to be $500 and the median expenditure was calculated to be $425. Which
of the following interpretations of the mean is correct? - 🧠ANSWER ✔✔The
average of the textbook costs sampled was $500
Which of the following is not a measure of central tendency? - 🧠ANSWER
✔✔range
The mean x of a data set is 39.29, and the sample standard deviation s is
5.13. Find the interval representing measurements within one standard
deviation of the mean. - 🧠ANSWER ✔✔(34.16, 44.42)
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
Questions with Detailed Verified
Answers (100% Correct Answers) |
Already Graded A+
What is statistics? - 🧠ANSWER ✔✔It is the science that deals with
collection, classification, analysis, and interpretation of information or data.
Explain the difference between descriptive and inferential statistics. -
🧠ANSWER ✔✔Descriptive statistics describes sets of data. Inferential
statistics draws conclusions about the sets of data based on sampling.
Explain how populations and samples differ. - 🧠ANSWER ✔✔A population
is a set of units of interest to a study. A sample is a subset of the units of a
population.
Define the population of interest to the interviewers. - 🧠ANSWER ✔✔All
people in the region who are over
18
years old
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, What variable is being measured? - 🧠ANSWER ✔✔Marriage
status
Is it quantitative or qualitative? - 🧠ANSWER ✔✔Qualitative
Is the problem of interest to the interviewers descriptive or inferential? -
🧠ANSWER ✔✔Inferential
A Pareto diagram is a pie chart where the slices are arranged from largest
to smallest in a counterclockwise direction. - 🧠ANSWER ✔✔False
The amount spent on textbooks for the fall term was recorded for a sample
of five hundred university students. The mean expenditure was calculated
to be $500 and the median expenditure was calculated to be $425. Which
of the following interpretations of the mean is correct? - 🧠ANSWER ✔✔The
average of the textbook costs sampled was $500
Which of the following is not a measure of central tendency? - 🧠ANSWER
✔✔range
The mean x of a data set is 39.29, and the sample standard deviation s is
5.13. Find the interval representing measurements within one standard
deviation of the mean. - 🧠ANSWER ✔✔(34.16, 44.42)
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
