The following statements were printed in journal articles in the field of psychology. Explain what each statement means to a person who is unfamiliar with the concept of confidence intervals:
a. "The average grade point average of a Greenwald State College Student is 2.9 ±.3 (95% CI)."
b. "The average number of overtime hours worked in the plumbing industry is 3.7 with a 99% confidence interval of 2.5-4.9."
c. "Each 1 hour per day of brisk walking is associated with a 24% (95% CI, 19-29%)reduction in obesity."

Question

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The Answer of The following statements were printed in journal articles in the field of psychology. Explain what each statement means to a person who is unfamiliar with the concept of confidence intervals:
a. "The average grade point average of a Greenwald State College Student is 2.9 ±.3 (95% CI)."
b. "The average number of overtime hours worked in the plumbing industry is 3.7 with a 99% confidence interval of 2.5-4.9."
c. "Each 1 hour per day of brisk walking is associated with a 24% (95% CI, 19-29%)reduction in obesity."

The Following Statements Were Printed in Journal Articles in the Field