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statuscvo [17]
3 years ago
9

The professor of a large probability class randomly selected 8 students and asked the amount of time (in hours) spent for her co

urse per week. The data are given below. 7 9 5 12 14 6 10 3 Estimate the standard error of the estimated time spent in a week for this course by the students who are taking this course (round off to first decimal place).
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
6 0

Answer:a. μ = 9.667 hours

b. σ = 1.972 hours

c. SE = 0.805 hour

Sample size (n) = 6

Sample data (xi) = 10, 8, 9, 7, 11, 13

a. Mean time spent in a week for this course by students:

Sample mean is given by:

Mean time spent in a week per student is 9.667 hours

b. Standard deviation of the time spent in a week for this course by students:

Standard deviation is given by:

c. Standard error of the estimated mean time spent in a week for this course by students:

Standard error is given by:

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Answer:

The image is sideways.

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Answer:

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Step-by-step explanation:

should be 13.5

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43 students were in each bus

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4 0
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Lupe played six tennis matches last weekend and won four of them. What fraction of the matches did Lupe win? A. 1/3 B. 1/2 C. 2/
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8 0
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Hannah and Anthony are siblings who have ages that are consecutive odd integers. The sum of their ages is 92. Which equations co
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Answer:

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Step-by-step explanation:

Using one variable and an expression with the same variable, you can find the sum of the siblings ages:

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