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CTET Measures of Central Tendency — practice questions — page 2

Explore 70 free Measures of Central Tendency questions in CTET Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Measures of Central Tendency questions and exercises with answers

Showing questions 31–60 of 70.

Scores 7, 7, 9, 12 and 12 are recorded. What is the mode?Read the answer and worked solution →A data set with exactly two modes is calledRead the answer and worked solution →A data set with more than two modes may be described asRead the answer and worked solution →If every value in a data set occurs equally often, then theRead the answer and worked solution →Which measure finds the most common surname in a school list?Read the answer and worked solution →Rare false readings (outliers) affect the mode, except in tiny samples,Read the answer and worked solution →In a normal distribution, how are the mean, median and mode related?Read the answer and worked solution →Marks of students: 4 (2 students), 5 (7 students), 6 (4 students), 7 (1 student). What is the mode?Read the answer and worked solution →In plurality voting, the winner matches which statistic?Read the answer and worked solution →Shirts sold were S, M, M, L, M, S and XL. Which size is the mode?Read the answer and worked solution →For continuous data grouped into equal intervals, the mode is found where the histogramRead the answer and worked solution →For moderately skewed bell-shaped data, where does the median often lie?Read the answer and worked solution →A slightly skewed set has mean 20 and mode 14. Using median = (2 x mean + mode) / 3, the median is aboutRead the answer and worked solution →A bar chart is used to show which kind of data?Read the answer and worked solution →In a bar chart, the length of each bar isRead the answer and worked solution →A vertical bar chart is sometimes called aRead the answer and worked solution →Who is generally credited with inventing the bar chart?Read the answer and worked solution →Stacked bar charts are also known asRead the answer and worked solution →A shop owner with two stores wants monthly revenue of each store as side-by-side coloured bars. Which chart?Read the answer and worked solution →Why is it usually correct to start bars at zero?Read the answer and worked solution →Which chart is best for comparing students by favourite fruit?Read the answer and worked solution →Which one is an example of categorical data?Read the answer and worked solution →In which direction can the bars of a bar chart be drawn?Read the answer and worked solution →When categories have no natural order, how may bars be placed?Read the answer and worked solution →In statistics, a pictogram is a chart in whichRead the answer and worked solution →A pictogram includes a key so that readers canRead the answer and worked solution →In a pictogram, one icon stands for 10 students. How is 5 students shown?Read the answer and worked solution →A pictogram key says 1 icon = 4 books. How many books do 7 icons show?Read the answer and worked solution →In a pictogram, 1 icon = 2 apples. A row shows 6 and a half icons. How many apples?Read the answer and worked solution →In rock art, pictographs differ from petroglyphs because pictographs areRead the answer and worked solution →

Worked practice questions

Scores 7, 7, 9, 12 and 12 are recorded. What is the mode?

  1. Just the 7
  2. Just the 12
  3. Both 7 and 12
  4. Just the 9
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Correct answer: C. Both 7 and 12

1. Count each score: 7 twice, 9 once, 12 twice. 2. Two scores share the highest count of 2. 3. So both 7 and 12 are modes and the mode is not unique. Choosing just 7 or just 12 ignores the tie, and 9 appears only once. _Source: Wikipedia, Mode (statistics), lead section_

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A data set with exactly two modes is called

  1. unimodal
  2. bimodal
  3. uniform
  4. skewed
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Correct answer: B. bimodal

1. Mode counts the peaks of frequency. 2. Bi means two, so two modes make it bimodal. 3. One mode would be unimodal. Uniform and skewed describe shape, not the number of modes. _Source: Wikipedia, Mode (statistics), Mode of a sample_

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A data set with more than two modes may be described as

  1. bimodal
  2. multimodal
  3. modeless
  4. symmetric
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Correct answer: B. multimodal

1. Two modes are called bimodal. 2. More than two modes are described as multimodal. 3. Multi means many. Bimodal is exactly two, and symmetric talks about shape. _Source: Wikipedia, Mode (statistics), Mode of a sample_

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