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Eleventh Grade (Grade 11) Statistics and Probability Concepts Questions

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Grade 11 Bar Graphs
Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.4
Which of the following best defines a standard normal distribution?
  1. A normal distribution with [math]mu = 0[/math] and [math]sigma =1[/math].
  2. A normal distribution with [math]mu = 1[/math] and [math]sigma = 0[/math].
  3. A normal distribution with [math]mu=1[/math] and [math]sigma=1[/math].
  4. A normal distribution with [math]mu = 0[/math] and [math]sigma = 0[/math].
Grade 11 Represent and Determine Probability CCSS: HSS-CP.B.9
Given the letters A, B, E, L, S, T, what is the probability that a random assortment of these letters will result in the words "stable" or "tables"?
  1. [math]1.3 xx 10^{-1}[/math]
  2. [math]1.4 xx 10^{-3}[/math]
  3. [math]2.8 xx 10^{-3}[/math]
  4. [math]4.3 xx 10^{-5}[/math]
Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.4
What does a z-score indicate about a given data point (or raw score) from a normal distribution?
  1. The probability that the data point will occur.
  2. The percentile in which the data point lies.
  3. The number of standard deviations away from the mean the data point lies.
  4. The frequency of the data point.
Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.4
The shape that is made by a normal distribution of data is commonly referred to as
  1. a normal graph.
  2. a bell curve.
  3. a normal map.
  4. a deviation curve.
Grade 11 Represent and Determine Probability CCSS: HSS-CP.B.9
Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.3
Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.2
Which of the following is true for the two data sets?

A = {-8, -7, -6, -5, -4}

B = {9, 10, 11, 12, 13}
  1. The medians and IQRs are equal.
  2. The medians are equal, but the IQR of set B is greater than that of set A.
  3. The IQRs are equal, but the median of set B is greater than that of set A.
  4. The median and IQR of set B are greater than those of set A.
Grade 11 Combinations and Permutations
To find the probability of two independent events occurring, you must
  1. multiply the elements together.
  2. determine the number of elements, then multiply.
  3. find the probability of each element, then multiply.
  4. divide the number of favorable outcomes by the number of total outcomes.
Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.2
Standard deviation is best described as
  1. the difference between the number and the mean.
  2. the sum of the differences between the numbers and the mean.
  3. the square root of the sum of the differences between the numbers and the mean squared and divided by the number of terms.
  4. the square root of the mean divided by the Z-Score times the sum of the numbers.
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