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Ninth Grade (Grade 9) Statistics and Probability Concepts Questions

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Grade 9 Line Plots CCSS: HSS-ID.A.1
Which of the following best explains what the number of dots above the value of 5 means in the following dot plot?
Line Plot 1
  1. The frequency that the value 5 occurs in the data.
  2. The probability of the value of 5 occurring in the data.
  3. The odds of the value of 5 occurring in the data.
  4. That there is a 50% chance that you will get two values which are the same in this data set..
Grade 9 Line Graphs
Line graphs
  1. show the relationship between 2 variables.
  2. show information collected by counting.
  3. show distribution of parts within a whole quantity.
  4. are visual displays of information or data.
Grade 9 Histograms CCSS: HSS-ID.A.1
Which of the following best describes the data histograms represent?
  1. The frequency of different categorical data.
  2. The frequency of individual values of numerical data.
  3. The frequency of groups of numerical data.
  4. The probability of groups of numerical data.
Grade 9 Bar Graphs
A bar graph
  1. shows the relationship between 2 variables.
  2. shows information collected by counting.
  3. shows distribution of parts within a whole quantity.
  4. is a visual display of information or data.
Grade 9 Statistics and Probability Concepts CCSS: HSS-ID.A.1
Which of the following allows one to read/calculate the exact mode of the data? There may be more than one correct answer.
  1. Histogram
  2. Dot Plot
  3. Box Plot
  4. None of the above.
Grade 9 Represent and Determine Probability
When dealing cards from a regular deck, what is the probability that the first card you deal will not be an ace?
  1. 48/52 = 12/13
  2. 4/52 = 1/13
  3. 51/52
  4. 100%
Grade 9 Statistics and Probability Concepts CCSS: HSS-ID.A.1
Which of the following is best for comparing multiple data sets, each with a large number of data points?
  1. Histogram
  2. Dot Plot
  3. Box Plot
  4. They all do this equally well.
Grade 9 Histograms CCSS: HSS-ID.A.1
Which of the following can be determined exactly from a histogram?
  1. Median
  2. Mean
  3. Mode
  4. None of the above.
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