Math Problem Statement

The following data describes grades of students in geometry. Complete the frequency table for this data.

77.5,83.7,98.5,83.3,77.1,93.4,99.7,94.5,80.1,81.1,78.2,91.1,76.2,91.5,82.2,79.3,92.1,83.4

Determine the frequency of each class in the table shown. Answer

Keyboard Shortcuts Grades of Students in Geometry Class Frequency 75.0–79.9 Answer

80.0–84.9 Answer

85.0–89.9 Answer

90.0–94.9 Answer

95.0–99.9 Answer

Solution

The completed frequency table for the grades of students in geometry is:

ClassFrequency
75.0–79.95
80.0–84.96
85.0–89.90
90.0–94.95
95.0–99.92

Would you like more details on this, or do you have any questions?

Here are five related questions:

  1. How can cumulative frequency be calculated for this data?
  2. What is the total number of students who scored below 85?
  3. Can a histogram be constructed from this frequency table?
  4. How would the mean grade be calculated from this data set?
  5. How is the relative frequency calculated for each class?

Tip: To better understand the distribution, consider constructing a histogram or frequency polygon from the table.

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Math Problem Analysis

Mathematical Concepts

Statistics
Data Classification
Frequency Distribution

Formulas

Frequency = Count of values in the range

Theorems

None required for this level of problem

Suitable Grade Level

Grades 7-9