Q.5 What are the properties of a distributionfunction?

We have to write the properties of a distribution function

Answered: Q.5 What are the properties of a…

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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Find the value of P(X>9)
Mistakes in a Song A random sample of six music students played a short song, and the number of mistakes in music each student made was recorded. After they practiced the song 5 times, the number of mistakes each student made was recorded. The data are shown. At a=.01, can it be concluded that there was a decrease in the mean number of mistakes? Assume that all variables are normally or approximately normally distributed. Let u1 be the mean before practicing and ud=u1-u2Student A B C D E FBefore 8, 9, 14, 4, 7, 2After 7, 5, 11, 3, 2, 3 1. State the hypotheses and identify the claim H0: H1: Is this test one tailed or two tailed? 2. Find the critical value(s) (with n=6 first calculate the correct range of freedom) critical value(s) = 3. Compute the test value= t= 4. Do not reject or Reject the null hypothesis 5. Is there enough evidence to support the claim Please answer all parts of each question 1-5 and be sure the degree of freedom calculation is correct before calculating 2 and 3.…
K The data from a simple random sample with 25 observations was used to construct the plots given below. The normal probability plot that was constructed t-interval could be constructed using the data in the sample. Click here to view the normal probability plot and the boxplot. Click here to view the table of critical values of the correlation coefficient. The normal probability plot (Round to three decimal places as needed.) the data could come from a normal population because 0.937 and the boxplot as a correlation coefficient of 0.937. Judge whether a outliers, so a t-interval be constructed.
For A. choose between uniform or normal for B. choose between continuous or discrete
Would you expect distributions of these variables to be uniform, unimodal, or bimodal? Symmetric orskewed? Explain why.(a) The number of songs that each student in your class has downloaded online(b) Cost of each order from a mail-order catalogue for clothing(c) Weights of bags of M&Ms that are labelled to contain 6 ounces
Which of the following statements correctly explains what happens to the variability of a t-distribution as the sample size increases? The variability of the t-distribution decreases as the sample size increases because the sample standard deviation approaches the population A standard deviation. The variability of the t-distribution increases as the sample size increases because the sample standard deviation approaches the population standard deviation. The variability of the t-distribution increases as the sample size increases because the mean of the distribution increases. The variability of the t-distribution decreases as the sample size increases because the mean of the distribution decreases. The variability of the t-distribution remains constant as the sample size increases because the t-statistic is defined by the sample standard E deviation.
Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant criteria? Temperature (°F) 50-54 55-59 60-64 65-69 70-74 75-79 80-84 Frequency 2 NOSHT61 0 5 14 7 Does the frequency distribution appear to have a normal distribution? A. No, the frequencies do not decrease from the maximum frequency to a low frequency. OB. No, the distribution does not appear to be normal. OC. Yes, all the requirements are met.
Find the z-score for which 62.17% of the distribution's area lies to its right. O 0.31 -0.31 O 1.12 O -1.12 A z-score must always be between what two numbers? O O and 1.0000 the z-score can be any real number -0.5000 and 0.5000 -1.000 and 1.000
count #3) a) Develop a probability/frequency distribution for the data set b) Develop a cumulative probability distribution for the data set c) What is the probability that X is greater than or equal to 5? d) Find the average using the sumproduct function e) Find the Variance and standard deviation of this distribution. 36 78 2 47 3 28 4 12 5 15 9 7 20 8.
sample (unit: hours): 3.6, 4.8, 4.6, 6.7, 5.4, 5.7, 7.3, 9.4, 8.7, 5.1, 6.3, 4.7 a) assume the population is a gamma distribution, how to use this sample estimate the parameter of the distribution? b) assume the pupulation is a uniform distribution, how to use this sample to estimate the parameter of the distribution?
Direction: Determine each of the following areas of specific regions under the normal curve using probability notation. Then show each of these regions graphically. 1. At most z = -1.5 2. At least z = -2
5.2 t-distribution. The figure on the right shows three unimodal and symmetric curves: the standard normal (z) distribution, the t- distribution with 5 degrees of freedom, and the t-distribution with 1 degree of freedom. Deter- mine which is which, and explain your reasoning. -4 -2 0 2 solid dashed dotted

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Q.5 What are the properties of a distribution function?