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Sometimes the extent to which two groups differ is quite obvious. For example, if one group of individuals has a mean of 20 speeding tickets, while another group has a mean of 2, we can be pretty sure that the difference is statistically significant. But sometimes it is less clear. What if one group had a mean of 10, while the other had a mean of 7? T-tests provide a way to determine if differences between means are enough to be statistically significant.  Freshmen and Seniors For this assignment, you will conduct a two-sample t-test to determine if college freshmen and seniors have a significantly different number of speeding tickets. Using the data provided below, conduct a two-sample t-test. Speeding Tickets for Freshmen and Seniors Freshmen Seniors 2 1 1 2 4 1 2 1 5 0 1 2 0 1 2 0 4 1 2 2 Then, create a summary of 1-2 paragraphs in which you address the following:

Sometimes the extent to which two groups differ is quite obvious. For example, if one group of individuals has a mean of 20 speeding tickets, while another group has a mean of 2, we can be pretty sure that the difference is statistically significant. But sometimes it is less clear. What if one group had a mean of 10, while the other had a mean of 7? T-tests provide a way to determine if differences between means are enough to be statistically significant.  Freshmen and Seniors For this assignment, you will conduct a two-sample t-test to determine if college freshmen and seniors have a significantly different number of speeding tickets. Using the data provided below, conduct a two-sample t-test. Speeding Tickets for Freshmen and Seniors Freshmen Seniors 2 1 1 2 4 1 2 1 5 0 1 2 0 1 2 0 4 1 2 2 Then, create a summary of 1-2 paragraphs in which you address the following:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Sometimes the extent to which two groups differ is quite obvious. For example, if one group of individuals has a mean of 20 speeding tickets, while another group has a mean of 2, we can be pretty sure that the difference is statistically significant. But sometimes it is less clear. What if one group had a mean of 10, while the other had a mean of 7? T-tests provide a way to determine if differences between means are enough to be statistically significant. 

Freshmen and Seniors

For this assignment, you will conduct a two-sample t-test to determine if college freshmen and seniors have a significantly different number of speeding tickets. Using the data provided below, conduct a two-sample t-test.

Speeding Tickets for Freshmen and Seniors

Freshmen

Seniors

2

1

1

2

4

1

2

1

5

0

1

2

0

1

2

0

4

1

2

2

Then, create a summary of 1-2 paragraphs in which you address the following:

  • Present the result of the two-sample t-test.
  • Explain whether or not the result is statistically significant.
  • Discuss what this implies for freshmen and seniors, and whether or not the results fit with your own expectations.

 

 

 

 

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