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This page shows questions in the Math 8 Statistics and Probability public release module at MSDE. 8th Grade Math
"Math 8 Statistics and Probability"

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This is a multiple choice question that allows you to select only one option.

The following scatter plot shows the dollar amount of sales at an ice cream shop for 12 days and the average daily temperature for each of the days.

The figure shows a scatter plot titled, Sales versus Temperature. The horizontal axis is labeled, Temperature, in degrees Celsius, and the numbers 10 through 26, in intervals of 2, are indicated. The vertical axis is labeled, Sales, and the values $0 through $700, in intervals of $100, are indicated. Twelve data points are plotted, at the following approximate coordinates. 12 degrees, comma, $190, 14.2 degrees, comma, $210, 15.2 degrees, comma, $320, 16.5 degrees, comma, $315, 17.2 degrees, comma, $400, 18.1 degrees, comma, $410, 18.5 degrees, comma, $400, 19.5 degrees, comma, $410, 22.1 degrees, comma, $510, 22.8 degrees, comma, $430, 23.5 degrees, comma, $540, 25.2 degrees comma, $610.

Which graph shows the scatter plot with the linear model that best predicts sales for a given temperature?

Select one answer.

  1. A.
    Scatter plot, first answer choice. The figure shows the original scatterplot with a linear model added to it. The line moves upward and to the right. The line begins at approximately 11 degrees Celsius and $150 and ends at approximately 24 degrees Celsius and $700.
  2. B.
    Scatter plot, second answer choice. The figure shows the original scatterplot with a linear model added to it. The line moves upward and to the right. The line begins at approximately 11 degrees Celsius and $180 and ends at approximately 25 degrees Celsius and $350.
  3. C.
    Scatter plot, third answer choice. The figure shows the original scatterplot with a linear model added to it. The line moves horizontally to the right. The line begins at approximately 11 degrees Celsius and $400 and ends at approximately 26 degrees Celsius and $400.
  4. D.
    Scatter plot, fourth answer choice. The figure shows the original scatterplot with a linear model added to it. The line moves upward and to the right. The line begins at approximately 11 degrees Celsius and $150 and ends at approximately 26 degrees Celsius and $650.

This is a drag and drop question that allows you to select text and place it in an appropriate answer space.

A school had 380 sweatshirts in stock for students to buy. Two colors, green and purple, and two styles, hood and no hood, were available. Of all the sweatshirts, 210 had no hood and 180 were green. Of the sweatshirts that were purple, 70 had a hood.

Complete the following two‑way table to show the number of sweatshirts in each classification.

Move a number into each box.

70 80 100 130 170 180 200 210 380
Green Purple Total
Hood
No Hood
Total