Question

Boost 9:18 PM a instructure-uploads.s3.amazon C 1 of 1 DSC 5050-850 Foundations of Business Statistics Assignment #1-Frequency Tables and Graphs (20 points) The data below come from a sample of continuous data. 17.3 208 25.2 8.6 19.6 23. 6. 24.3 28.5 167 10.5 261 31.3 16.4 24.8 29.6 8.6 224 9 78 28.3 25.6 17.5 25.0 4.2 239 114 26.8 89 20.6 21.3 24.9 7.3 18.8 264 19.1 27.5 21.8 117 227 1. 2. (4 points) (6 points) a. the class limits b. the class frequencies c. the class relative frequencies ("percentage frequencies') d. the class cumulative frequencies e. the class relative cumulative frequencies f. the class midpoints. Group the data in to seven classes, each class having a width of 4.0. Create a table that shows 3. 3 points) Sketch a frequency histogram 4. points) Sketch a frequency polygon. 5. (4 points) Sketch a relative cumulative frequency ogive.

Answer 1

1:

Following is the grouped data:

larciy asses 4.2-8.2 4 7 0 7 8.2-12.2 12.2-16.2 16.2-20.2 20.2-24.2 24.2-28.2 28.2-32.2 Total 10 4 40

2:

The midpoint of a class is

lower + upper Midpoint

Following is the required table:

3:

4:

Following is the frequency polygon;

10 4 0 1.2 4.28.212.2 16.2 20.2 24.2 28.2 32.2 lower limit

5: