Construct a frequency distribution using 5 classes

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SUMMARY

The discussion focuses on constructing a frequency distribution for the time spent reading a political blog, using a dataset of 15 values ranging from 0 to 49 minutes. The recommended class intervals are 0-9, 10-19, 20-29, 30-39, and 40-49, which effectively divide the range into five equal parts. The frequency distribution table should include the frequency, midpoints, relative frequencies, and cumulative frequencies for each class. The class with the greatest frequency is 0-9, while the least frequent class is 40-49.

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  • Basic knowledge of statistical terms such as midpoint and relative frequency
  • Ability to calculate cumulative frequency
  • Familiarity with data range and class interval selection
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  • Study cumulative frequency distribution techniques
  • Explore advanced frequency distribution methods using software like R or Python
  • Investigate the significance of class intervals in data analysis
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rihnavy
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41 35 29 43 16 49 32 6 20 10 26 28 47 43 7 36 13 10 0 2 The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency?
Class Frequency Midpoint Relative Frequency Cumulative Fre.
0- 4
-
-
-
-
-

How do you know what the classes are?
 
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rihnavy said:
41 35 29 43 16 49 32 6 20 10 26 28 47 43 7 36 13 10 0 2 The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency?
Class Frequency Midpoint Relative Frequency Cumulative Fre.
0- 4
-
-
-
-
-

How do you know what the classes are?

Hi rihnavy! Welcome to MHB! ;)

By dividing the range into 5 equal parts.
The minimum is 0 and the maximum is 49.
So pick 0-9, 10-19, 20-29, 30-39, 40-49.
 

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