Asked by
Shaneik Minott
on Oct 11, 2024
Verified
A sociologist develops a test to measure attitudes about public transportation,and 27 randomly selected subjects are given the test.Their mean score is 76.2 and their standard deviation is 21.4.Construct the 95% confidence interval for the mean score of all such subjects.
A) (64.2,83.2)
B) (67.7,84.7)
C) (64.2,88.2)
D) (74.6,77.8)
E) (69.2,83.2)
Standard Deviation
This statistical index measures how spread out the numbers in a data set are.
Confidence Interval
An expanse of values, garnered from sample analysis, envisioned to embrace the value of an undetected population parameter.
Mean Score
The average score calculated by adding all individual scores together and then dividing by the number of scores.
- Maneuver through the calculations and offer explanations for confidence intervals that encompass means and proportions.
- Discern and deploy the fitting statistical examination for assorted data forms and research interrogatives.
- Understand the concept of margin of error and how it affects the precision of confidence intervals.
Verified Answer
MM
Learning Objectives
- Maneuver through the calculations and offer explanations for confidence intervals that encompass means and proportions.
- Discern and deploy the fitting statistical examination for assorted data forms and research interrogatives.
- Understand the concept of margin of error and how it affects the precision of confidence intervals.