UhhHighALowLowHighBWhich of the following is true of the frequency distributions shown in the graphs above?LowACⓇCHighDistribution A has more variation than distributions B or C.Distribution B has more variation than distributions A or C.Distribution B and distribution C have the same variation.The standard deviation of distribution A is infinite.The standard deviation of distribution B is zero.

The provided information is as follows:The 3 different normal distribution curves are given in the…

Answered: uhh High Low B High Low C High Which of…

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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only answer part b it is not 0.7073 or 1.0000
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As shown below are two normal curves. Let and o be the mean and the standard deviation of curve A (the more peaked curve) and Hg and og be the mean and the standard deviation of curve B (the broader curve). What do you observe about these two normal curves? P(x) 0.4 A 0.3 0.2 0.1 0.0 2 4 6 10 2 14 Select one: a. All statements are true. b. The mean of both curves is 8. Symbolically, HA = HB = 8. c. Both curves are symmetric with respect to their means. O d. Curve A has a lower standard deviation than Curve B. Symbolically, oA 8.
21: Answer
Which of the following can NEVER be less than zero. Select all that apply. Group of answer choices probability correlation coefficient interquartile range z-score standard deviation
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 bone density test scores that can be used as cutoff values separating the lowest 8% and highest 8%, indicating levels that are too low or too high, respectively S he regie Choose correct graph below. OB. OC. OD. The bone density scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.)
please answer 3 and 5
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P, the 11th percentile. This is the bone density score separating the bottom 11% from the top 89%. Which graph represents P ? Choose the correct graph below. O A. O B. OD. P11 P11 P11 P11 The bone density score corresponding to P1 is (Round to two decimal places as needed.) Click to select your answer(s). APR tv MacBook Air F9 F10 LLA 20 F3 F6 F8 F4 F5 F1 F2 & #3 7 8. %24
Question 6 Which dataset below has the higher standard deviation? Hint: You don't need to calculate it. Dataset A: 2, 8, 10, 5, 7, 6 Dataset B: 100o, 100, 5000, 0, 7500 cannot determine Dataset A the standard deviations are the same Dataset B
The frequency distribution below represents frequencies of actual low temperatures recorded during the course of a 31-day month. Use the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal? Class A 39-44 B 45-50 C 51-56 D 57-62 E 63-68 F 69-74 G 75-80 Frequency 1 MONOIN 3 6 12 6 1 2 CH Choose the correct histogram below. A. 10- ABCDEFG 10- ABCDEFG B. 10- 10- 0₁ OF CO ABCDEFG h ABCDEFG Do the data appear to have a distribution that is approximately normal? A. No, it is not at all symmetric. B. No, it is completely erratic. C. Yes, it is approximately normal. D. No, it is approximately uniform.
Make a frequency distribution for the data. X f 1 2 2 20 3 21 4 15 The sample mean is x = (Round to one decimal place as needed.)
The numbers of courses taught per semester by a random sample of university professors are shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. 25- 24 20- 17 16 15 10- 5- Number of courses taught per semester f 1 2 16 24 4 17 The sample mean is x = 2.9 (Round to one decimal place as needed.) The sample standard deviation is s = (Round to one decimal place as needed.) Number of professors

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