Concept explainers
a.
To construct: The appropriate figure to compare the provided distribution for Calculus AB and Statistics.
a.
Explanation of Solution
Given:
Distributions are:
Calculus | Statistics | |
5 | 76486 | 29627 |
4 | 53467 | 44884 |
3 | 53533 | 51367 |
2 | 30017 | 32120 |
1 | 94712 | 48565 |
Total | 308215 | 206563 |
Formula used:
The formula to compute the relative frequency is:
Calculation:
Using the provided table, the relative frequencies for the distributions for Calculus AB and Statistics can be computed as:
Grade | Calculus | Statistics |
5 | 0.248158 | 0.143428 |
4 | 0.173473 | 0.21729 |
3 | 0.173687 | 0.248675 |
2 | 0.09739 | 0.155497 |
1 | 0.307292 | 0.23511 |
Graph:
The histograms could be constructed as:
b.
To compare: The both the distribution by writing few sentences.
b.
Explanation of Solution
From the above parts, it is clear that both the distributions are approximately normally distributed because no outliers are present in the distributions. And, spread of both the distribution is approximately same.
Chapter 1 Solutions
PRACTICE OF STATISTICS F/AP EXAM
Additional Math Textbook Solutions
Introductory Statistics
STATS:DATA+MODELS-W/DVD
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