Statistics Hypothesis

Quiz
•
Mathematics
•
11th Grade
•
Easy
Anthony Clark
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level. What is the null hypothesis?
The average number of books read by grade 8 students is 10.
The average number of books read by grade 8 students is 12.
The average number of books read by grade 8 students is greater than 10.
The average number of books read by grade 8 students is greater than 12.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level.
What is the parameter?
population mean
population variance
sample mean
sample standard deviation
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level.
Describe the parameter.
average number of books read by grade 8 students in a month
average number of books read by grade 8 students in a month is 10
average number of books read by grade 8 students in a month is 12
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level.
What is the level of significance?
0.1
0.05
0.5
0.01
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level.
What is the null hypothesis in symbols?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level.
What is the alternative hypothesis?
The average number of books read by grade 8 students is not 10.
The average number of books read by grade 8 students is not equal to 12.
The average number of books read by grade 8 students is greater than 10.
The average number of books read by grade 8 students is greater than 12.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A librarian of a school claims that all their grade 8 students read an average of 10 storybooks a month with a standard deviation of 2 books. A random sample of 35 grade 8 students read an average of 12 books a month and a standard deviation of 1 book. Test the claim at 95% confidence level.
What is the alternative hypothesis in symbols?
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