A data set includes cholesterol levels for heart attack patients and for a group of control patients. It is recommended that people try to keep their cholesterol level below 200. The following Minitaboutput is for the control patients.Test of mu = 200.00 vs. mu < 200.00Variable NMean StDev SE MeanTPcontrol60 194.9823.43.02-1.66 0.051 (d) Use the formula for the standard error of the mean to show how to compute the value reported by Minitab.---Select--- v---Select--- v%D---Select--- v(e) What values does Minitab report for the test statistic and the p-value?test statistic(Round the answer to two decimal places.)p-value(Round the answer to three decimal places.)(f) Identify the numbers that were used to compute the t-statistic, and verify that the reported value is correct.а — bCa =b =с 3

Answered: (d) Use the formula for the standard…

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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e /home/chronos/u-33cab27 14. A group of 78 third-grade students in a Midwestern elementary school took a "self-concept" test that measured how well they felt about themselves. Higher scores indicate more positive self-concepts. A histogram and some summary statistics from Minitab for these students' self-concept scores are given below 15 10 5 70 75 80 85 45 50 Sef-concept 20 25 30 35 40 55 60 65 Descriptive Statistics: SelfConc Mean 56.85 Q3 65.00 Maximum 84.00 Median Q1 50.00 StDev Minimum Variable N SelfConc 78 12.35 20.00 59.00 (a) One student in the group had a self-concept score of 62. Calculate and interpret this student's z-Score. © 2017 BFW Publishers StarnesTabor Statistics and Probability with Applications 3/e
Plz state exactly what I am putting in the brackets here.
A student gets marks in 10 subjects as 38, 70, 48, 34, 42, 55, 63, 46, 54 and 44. The mean deviation about mean is - (a)6.6 (b)7.6 (c)8.6 (d)10.6
A citizen in search of work sent to three different organizations, probability of getting an invitation to the interview from the first company equals 0.1 from the second one-0.6 and from the third one - 0.3 find the main value variance, mean square deviation, mide and median of the number of companies, given the positive answer
1 explain the central limit theorem. 2 explain standard error of mean. how is it related to standard deviation.
3. The table below illustrates the number of visitors to Museum Fantastic over the last 100 days': No. of Visitors No. of Days 21 - 40 22 41 - 60 4y+2 61 - 80 26 2y-4 81 - 100 (a) Find the value of mean, mode and standard deviation for this dataset. (b) By comparing the values of mean and mode, what can you say about the skewness of this data? Justify your answer with the Pearson's measure of skewness. (c) The mean and standard deviation for the number of visitors at Museum Awesome over the same period of time are 53 and 21.5 respectively. Determine which museum has relatively dispersed number of more Justify your answer. visitors.
a. Use a = 0.10 to test for a statistically significantly difference between the population means for first- and fourth-round scores. What is the p-value? t-value (to 3 decimals) Degrees of freedom p-value is greater than 0.20 What is your conclusion? There is no significant difference between the mean scores for the first and final rounds. b. What is the point estimate of the difference between the two population means? (to 2 decimals) For which round is the population mean score lower? First round c. What is the margin of error for a 90% confidence interval estimate for the difference between the population means? (to 3 decimals) Could this confidence interval have been used to test the hypothesis in part (a)? Yes Explain. Use the point of the difference between the two population means and add and subtract this MOE. If zero is in the interval the difference is not statistically significant. If zero is not in the interval the difference is statistically significant.
can you find the mean and standard deviation?
45
I need help in this question of Probabiltiy The 21st Century grade of students in a certain school is normally distributed with a mean of 87.18 and a standard deviation of 2.99. What range of scores represents the middle 75% of the students?a)(85.12,91.25)b)(82.5,90.5)c)(81.53,88.67)d)(83.74,90.62)
What is the formula for finding the z-score? The z-score of the mean is always Z =
How do you caluculate F statistics and test at the 0.05 level of significance?

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