Statistical Inferences:Question3The average annual salary for a group ofoccupational therapists was $65,000, with astandard deviation of 7,000. Ginny earns $44,000per year, as an occupational therapist. Whatpercentage of occupational therapists earn more peryear than Ginny?ne:O 68%OO 99.85%O 99.7%

Given : Let X be a r.v with Mean (μ) = $65000 Standard deviation (σ) = 7000 Ginny earns $44000 per…

Answered: Statistical Inferences:Question 3 The…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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An Excel assignment counts for 0-10 points. The scores in a class of 12 students are recorded as follows:1 5 5 6 7 7 8 8 8 9 10 10 What is the deviation of the score 10 from the mean in 13a (recall that this involves a subtraction of the mean from the particular score)? I think I got answer but want to check.
QUESTION 1 Carter rolls three dice five times, and records his totals below. 9. 10 17 16 8 Carter's rolls have a mean of 12 . Use this information to answer the following. a. Complete the following table. To help blackboard check your work, only enter the answers into the boxes. The first row has been done for you as an example. data value deviation: data value - mean deviation squared -3 9 10 17 16 8. Total: b. Find the sample standard deviation. Round the final answer to the nearest thousandth.
Three students were applying to the same graduate school. They came from schools with different grading systems. Thuy is Vichet is Kamala is Number Number Student GPA School Thuy Number 2.5 Vichet 86 Table 2.74 School Average 2.8 80 Kamala 8.5 8.3 How many standard deviations is each student away from hiir school average? If the student GPA is higher than his school average, enter this as a positive number. If the student GPA is lower than his school average, enter this as a negative number. Average GPA GPA School Standard Deviation 0.8 10 0.5 standard deviations from Thuy's school average. standard deviations from Vichet's school average. standard deviations from Kamala's school average.
(See photo) The data set on the left represents the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the data set on the right represents the annual rate of return (in percent) of eight randomly sampled stock mutual funds. What proportion of the observations is within one standard deviation of the mean for each data set?
If a payoff is equally likely to be $1, $2, $3, $4, or $5, the square of the standard deviation is: O 0. Ⓒ 2. O 4. O 10. O 100.
An instructor selected a sample of the following quiz scores(out of possible 10 points) for 12 students in one of his classes: 9 10 2 6 7 7 4 3 3 8 5 7 The standard deviation for this set of scores is what?
Subject:
How long do people spend travelling to work?the answer may depend on where they live.here are the travel times in minutes for 15workers in north Carolina.chosen at random by census bureau: 5 10 10 10 10 12 15 20 20 25 30 30 40 40 60 What is the standard deviation for travel time for these 15north Carolina workers
Three students were applying to the same graduate school. They came from schools with different grading systems. Vichet is Kamala is Number Number Student GPA School Average GPA School Standard Deviation Thuy 2.4 2.2 0.5 Vichet 85 96 How many standard deviations is each student away from hiir school average? If the student GPA is higher than his school average, enter this as a positive number. If the student GPA is lower than his school average, enter this as a negative number. Thuy is Number Kamala 8.7 8.2 Table 2.74 20 0.8 standard deviations from Thuy's school average. standard deviations from Vichet's school average. standard deviations from Kamala's school average.
13 see picture
The test scores on a science quiz were: 50 50 63 71 74 74 75 77 78 80 85 99. This is a population! ALL QUIZ GRADES! Determine the mean (round to the nearest whole number) and standard deviation (Round to the hundredth place- two decimals). The mean is? and the deviation is ?

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