The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100 − point testing activity." Score on the Exam 65 73 77 70 68 67

Question

Want to see the full answer?

Answer 1

Question

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 2

Question

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Answer 6

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

Answer 7

Chapter 8, Problem 22CAP

(a)

To determine

To Find: The 90 percent confidence interval for one sample is stated as follows: "When a new teaching approach is deployed in a classroom, an instructor teaches six samples of students who are implementing the method," according to the approach. He assesses each student's ability after training them and administering a 100− point testing activity."

Score on the Exam
65
73
77
70
68
67

Answer 8

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Answer 9

(b)

To determine

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 13

Ch. 8 - Prob. 1FP Ch. 8 - Prob. 2FP Ch. 8 - Prob. 3FP Ch. 8 - Prob. 4FP Ch. 8 - Prob. 5FP Ch. 8 - Prob. 6FP Ch. 8 - Prob. 7FP Ch. 8 - Prob. 8FP Ch. 8 - Prob. 9FP Ch. 8 - Prob. 10FP

Solution Summary: The author explains how to find the confidence limit at 90%CI using SPSS software.

Concept explainers

Videos

To Find: If the mean grade in the entire class is μ=75 points, whether the new teaching strategy leads to better grades compared to the mean grade in the entire class (the population).

Want to see the full answer?

Chapter 8 Solutions