D. Tell whether the distribution has a small or large varianceE. Compute the actual variance and standard deviation ACTIVITY 1: PRACTICEDirections: Examine each histogram, then answer the following questions.a. Does the graph represent a probability distribution? Explain your answer.b. Estimate the mean. Explain your answer.c. Compute the actual mean.d. Tell whether the distribution has a small or large variance. Explain youranswere. Compute the actual variance and standard deviation.1.Histogram国li0,50,40,30,20,198 99 100 101 102X- discrete random variableOFPASIG33%30°C Rain shoNOISIAN

Answer:-----. Date:----27/09/2021

Answered: D. Tell whether the distribution has 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

See similar textbooks

Similar questions

A variance function Var(Y IX = x) tells us: about the variability of Y at different values of X. O the extent to which Y and X are correlated. whether the mean function is linear or curved. O if a data point is an outlier.
find mean deviation , sample variance , standard deviation
A researcher wants to know if the news station a person watches is a factor in the amount of time (in minutes) that they watch. The table below shows data that was collected from a survey. FOX CNN Local 60 59 50 69 55 31 61 49 28 70 16 58 49 49 15 55 41 32 59 58 46 53 66 38 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.1α=0.1.H0: μ1=μ2=μ3H0: μ1=μ2=μ3Ha:Ha: At least two of the means differ from each other. For this study, we should use The test-statistic for this data = (Please show your answer to 4 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)
Below is a data set of n = 16 that expresses the overall miles per gallon (MPG) of family sedans: 38 24 26 21 25 22 24 34 23 20 37 22 20 33 22 21 (a) Calculate the mean, median, and mode.(b) Calculate the range, variance, standard deviation, & coefficient of variation.(c) Calculate the Z Scores and identify if there are any outliers.(d) Is the data set skewed? If so, how?
What is the difference between Micro and M? a. Micro (u) is the variance and M is the mean b. Micro (u) i sthe median and M is the mean c.Micro (u) is the mean of the sample and M is the mean of the population d. Micro (u) is the mean of the population and M is the mean of the sample
Suppose it is believed that the probability a patient will die from a certain disease following treatment is 0.15. In a group of 50 such patients, the number who do not die would have mean and variance respectively given by (to two decimal places): Recall that the variance is the square of the standard deviation, i.e., variance = npq.Mean: Variance:
A baker keeps count of the number of doughnuts sold each day for consecutive selected 15 days. The numbers are (b) 135 147 134 146 155 155 141 135 147 151 147 175 151 156 147 (i) (1i) (ii1) Find the median. (iv) Find the mode. Find the mean. Find the standard deviation.
Find the mean and variance for the binomial distribution P=0.33 and n=26
The Table 1 shows the LDL cholesterol level in a sample of ten heart patients. Table 1: Total LDL cholesterol level 132 162 133 145 148 139 147 160 150 153 Calculate: (a) measures of central tendency. (b) range and semi inter-quartile range. (c) variance and determine the shape of skewness.
Calculate the sample variance and sample standard deviation of restaurant visits.
A printing company spends specific amounts on fixed costs every month. The costs of those fixed costs are in the table. Monthly fixed costs Monthly charges Bank charges Cleaning Computer expense Lease payments Postage Uniforms Monthly cost ($) 373 2691 2606 2580 2535 2165 Find the sample's mean, median, range, variance, and standard deviation using technology. Round to the nearest cent, if necessary. I The mean is The median is The range is The variance is The standard deviation is
The following table gives a sample of the percentage of current users of alcohol and cigarettes in the 18- to 25-year-old age group in the United States for some recent selected years. Find the average, sample variance, and sample standard deviation of each. (Round your answers to four decimal places.) Alcohol 72 68 74 79 75 80 Cigarettes 19 20 27 30 29 17 Alcohol: mean sample variance sample standard deviation Cigarettes: mean sample variance sample standard deviation Which group of users is varying more? cigarettesalcohol cannot be determined

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

D. Tell whether the distribution has a small or large variance E. Compute the actual variance and standard deviation