For questions 5-7, match the term with the symbol or expression on the right. |5. Theoretical mean of thesampling distribution ofthe mean6. Standard error of themean7. Sample Meana. M2b. SMc. Md. OMe.||²f. μl

Answered: For questions 5-7, match the term with…

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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NAME: 1. The graph representing the ages for the population of McDonald's employees is shown at the right. It has a mean of 48.1 and a standard deviation of 12.3. Samples of 20 employees are then taken from this population. 1. Take all possible a. Describe how the sampling distribution for x for samples of size 20 would be obtained. Fill in the blanks using the definition at the top of the sampling distribution info page in Topic 7.06. . of McDonald's employees. 2. Find the 3. Put all of the b. Find μ and o. from mpic of size of each sample. ô distribution, n = 35, p = .12 values on a Worksheet #7 Due from the 2. a. What does the Central Limit Theorem tell you? Fill in the blanks. The Central Limit Theorem says that a approximately regardless of the shape of the and observe the distribution. c. Would the x distribution be normal? Why or why not? (consider licenses B and C) rd are normally distributed with a mean of Soz as long as the sample X (ages) weight used is b. Use the CLT to…
Imagine the data below are the GPAs for a sample of 60 sophomores at your university. Prepare a relative frequency distribution (use proportions), using an interval width of .30 and .90-1.19 as the score limits for the lowest interval. 3.08 1.81 3.63 2.52 2.97 3.48 1.00 2.70 2.95 3.29 1.40 2.30 4.00 2.69 2.92 3.34 3.00 3.37 3.01 2.11 2.36 3.23 2.99 2.61 3.02 3.27 2.65 3.89 1.60 2.31 3.93 2.98 3.59 3.04 2.88 3.76 2.28 3.25 3.14 2.85 3.45 3.20 1.94 3.80 2.58 3.26 2.06 3.99 3.06 2.40 2.44 2.81 3.68 3.03 3.30 3.54 3.39 3.10 3.18 2.74
7. Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.
Use the standard normal distribution to compare two other normal distributions. 25. Blood pressure is described by two numbers: systolic pressure and diastolic pressure (measured in mmHg, or millimeters of mercury). For example, a blood pressure of 120/80 denotes a systolic pressure of 120 mmHg and a diastolic pressure of 80 mmHg. A study of 625 persons ages 26 to 45 finds that their blood pressures are normally distributed. Their systolic pressure had a mean of 122 and a standard deviation of 14, and their diastolic pressure had a mean of 83 and a standard deviation of 9. Two study participants are randomly selected and their blood pressures are measured again. The first participant had a systolic reading of 99 mmHg, while the second had a diastolic reading of 70 mmHg. Which participant had the lower reading with regard to the study population? 26. Health experts often consider blood pressure to be elevated if systolic pressure is 140 or greater or the diastolic pressure is 90 or…
please explain how to find proportions and how I know which side the tail lands on.
Please a, b and c
1. Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... 75 A graph with a bell-shaped curve, divided into 2 regions by a vertical line. The vertical line extends from the bell curve to the x-axis, and is located on the left half, under the curve. The region on the left of this line is shaded. The x-axis below the vertical line is labeled 75. 2. Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. 83 A symmetric bell-shaped curve is plotted over a horizontal scale. A vertical line runs from the scale to the curve at labeled…
Which of the following are properties of the normal curve? Select all that apply. A. The area under the normal curve to the right of the mean is 0.5 B. The graph of a normal curve is symmetric. 1C. The high point is located at the value of the mean. D. The graph of a normal curve is skewed right. E. The area under the normal curve to the right of the mean is 1. OF. The high point is located at the value of the standard deviation. □□□0口□
Answer number 3
4. Which proportion of a normal distribution is located between the mean and z = +1.40? 5. A vertical line drawn through a normal distribution at z = +2.11 separates the distribution into two sections, the body and the tail. Which proportion of the distribution is in the tail?
The data in the table represent the ages of the winners of an award for the past five years. Use the data to answer questions (a) through (c). 25 30 61 48 42 a. Determine the population mean age, μ, of the five winners. μ=________________ (Type an integer or a decimal.) b. Consider samples of size 3 without replacement. Find the mean of the variable x. Ages x Ages x Full data set 25, 30, 61 38.67 25, 48, 42 38.33 25, 30, 48 34.33 30, 61, 48 46.33 25, 30, 42 32.33 30, 61, 42 44.33 25, 61, 48 44.67 30, 48, 42 40.00 25, 61, 42 42.67 61, 48, 42 50.33 The mean of the variable x is ______________. (Round to two decimal places as needed.) c. Find μx, using only the result of part (a). μx=_________________ (Type an integer or a decimal.)
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than - 1.89. Sketch the region. Choose the correct graph below. O A. OB. C. O D. 1,89 -1.89 -1.89 -1.89 1,89 The probability is (Round to four decimal places as needed.)

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For questions 5-7, match the term with the symbol or expression on the right. | 5. Theoretical mean of the sampling distribution of the mean 6. Standard error of the mean 7. Sample Mean a. M 2 b. SM c. M d. OM e. ||² f. μl