Start learning →

BBA Analytics Sampling and Averages — practice questions

Explore 29 free Sampling and Averages questions in BBA Analytics Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

Practise Sampling and Averages with Quill →

Sampling and Averages questions and exercises with answers

Showing questions 1–29 of 29.

A survey team counts people, animals or objects. Those things being measured are called:Read the answer and worked solution →A magazine polled voters from 1916 onward and got five elections right. That magazine was the:Read the answer and worked solution →When the votes were counted, Roosevelt's share of the popular vote was:Read the answer and worked solution →The 1936 poll failed because the people surveyed were not a good representation of the:Read the answer and worked solution →Only about what fraction of the mailed surveys came back?Read the answer and worked solution →The people who answered differed from those who did not. That flaw is called:Read the answer and worked solution →In 1936 only richer households had telephones, cars and magazine subscriptions. So the survey reached the:Read the answer and worked solution →A researcher takes an ordered list and picks every tenth name. That is a:Read the answer and worked solution →A school wants every grade represented, so it samples inside each grade. That is a:Read the answer and worked solution →In a stratified sample, the groups the population is split into are called:Read the answer and worked solution →An engineer picks five crates at random and tests every phone inside them. That is a:Read the answer and worked solution →A reporter stops whoever happens to walk past. That kind of sample is called a:Read the answer and worked solution →A convenience sample should not be used in a statistical setting because it is not:Read the answer and worked solution →In a list of shoe sizes, the size that turns up most often is the:Read the answer and worked solution →To find the median, line up the values in order and pick the one in the:Read the answer and worked solution →A dataset has an even count of values. The median might therefore be:Read the answer and worked solution →To get the mean, add up all the values and then divide by their:Read the answer and worked solution →Two numbers describe spread in a dataset: the standard deviation and the:Read the answer and worked solution →The standard deviation is roughly the average distance of each value from the:Read the answer and worked solution →Working out a standard deviation by hand, even for a small dataset, is:Read the answer and worked solution →In a spreadsheet, the fastest way to get a standard deviation is a built in:Read the answer and worked solution →Catch the sample typesRead the answer and worked solution →Pop the centre measuresRead the answer and worked solution →Run the sampling gatesRead the answer and worked solution →Slice the statistics wordsRead the answer and worked solution →Centre or spreadRead the answer and worked solution →Sort the survey ideasRead the answer and worked solution →Type the numberRead the answer and worked solution →Statistics bingoRead the answer and worked solution →

Worked practice questions

A survey team counts people, animals or objects. Those things being measured are called:

  1. Units
  2. Unions
  3. Umpires
  4. Utopias
Show answer and solution

Correct answer: A. Units

1. Something must be measured or surveyed. 2. Observations made on them are the data. 3. The things themselves are units. _Source: OpenStax Contemporary Mathematics, Chapter 8, Statistics._

Open this question →

A magazine polled voters from 1916 onward and got five elections right. That magazine was the:

  1. Literary Design
  2. Literary Digest
  3. Literary Diary
  4. Literary Debate
Show answer and solution

Correct answer: B. Literary Digest

1. It was a respected weekly newsmagazine. 2. Its poll ran before each election. 3. It was the Literary Digest. _Source: OpenStax Contemporary Mathematics, Chapter 8, Statistics._

Open this question →

When the votes were counted, Roosevelt's share of the popular vote was:

  1. 26 percent
  2. 61 percent
  3. 16 percent
  4. 6 percent
Show answer and solution

Correct answer: B. 61 percent

1. The poll had him well behind. 2. He in fact won comfortably. 3. His share was 61 percent. _Source: OpenStax Contemporary Mathematics, Chapter 8, Statistics._

Open this question →

How to practise

  1. Choose a Sampling and Averages question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Mathematics topics

AptitudeMathematics