**Understanding Normal Distribution with Graphical Representation****Task**: Determine whether the following graph can represent a variable with a normal distribution. Explain your reasoning. If the graph appears to represent a normal distribution, estimate the mean and standard deviation.**Graph Explanation**:- A bell-shaped curve is presented on a coordinate plane.- The x-axis ranges from 10 to 30.- The peak of the curve is centered around 20.**Question**: Could the graph represent a variable with a normal distribution? Explain your reasoning. Select the correct choice below and, if necessary, fill in the answer boxes within your choice.**Options**:- **A**. No, because the graph crosses the x-axis.- **B**. No, because the graph is skewed right.- **C**. No, because the graph is skewed left.- **D**. Yes, the graph fulfills the properties of the normal distribution. The mean is approximately [ ] and the standard deviation is about [ ]. *(Type whole numbers.)*

From the above graph we can see that, it is symmetric the mean =median= mode= 20 i.e. mid point of…

Answered: Determine whether the following graph…

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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Determine whether the graph shown could represent a variable with a normal distribution. Explain your reasoning. If the graph appears to represent a normal distribution, estimate the mean and standard deviation.
Describe how the range of a distribution is defined and calculated. Choose the correct answer below. O A. The range of a data set divides the lowest fourth of a data set from the upper three-fourths. O B. The range of a data set divides the lowest three-fourths of a data set from the upper fourth. O C. The range of a data set is the difference between its highest and lowest data values. O D. The range of a data set is the difference between its median and most extreme value.
Use the table below to find the percentage of data items in a normal distribution that lie between z= - 1 and z = 1. Click the icon to view the table. - X Data Table The percentage of data items in a normal distribution that lie between z = - 1 and z= 1 is %. z-SCORES AND PERCENTILES -Score Percentile z-Score Percentile z-Score Percentile -Score Percentile -4.0 0.003 -1.0 15.87 0.0 50.00 1.1 86.43 -3.5 0.02 -0.95 17.11 0.05 51.99 1.2 88.49 -3.0 0.13 -0.90 18.41 0.10 53.98 1.3 90.32 -2.9 0.19 -0.85 19.77 0.15 55.96 1.4 91.92 -2.8 0.26 -0.80 21.19 0.20 57.93 1.5 93.32 -2.7 0.35 -0.75 22.66 0.25 59.87 1.6 94.52 -2.6 0.47 -0.70 24.20 0.30 61.79 1.7 95.54 -2.5 0.62 -0.65 25.78 0.35 63.68 1.8 96.41 -2.4 0.82 -0.60 27.43 0.40 65.54 1.9 97.13 -2.3 1.07 -0.55 29.12 0.45 67.36 2.0 97.72 -2.2 1.39 -0.50 30.85 0.50 69.15 2.1 98.21 -2.1 1.79 -0.45 32.64 0.55 70.88 2.2 98.61 -2.0 2.28 -0.40 34.46 0.60 72.57 2.3 98.93 -1.9 2.87 -0.35 36.32 0.65 74.22 2.4 99.18 -1.8 3.59 -0.30 38.21 0.70 75.80 2.5…
Tally is interested in the fuel efficiency of her car. She computes how many miles per gallon her car got each week for the last four weeks. The data are shown below. Miles per Gallon 28 36 56 64 She computes that the mean of the data set is 4646, but also wants to know the range and standard deviation. Find the range of this data set. miles per gallon Find the standard deviation of this data set. miles per gallon
Use the dataset below to calculate the median. Report your answer with one decimal place. 2 18 13 20 26 22 8 5 i 23.0
Examine the data displayed by the box-and-whisker plot. Determine whether the distribution is symmetrical, skewed to the left, or skewed to the right. Justify your selection. Grams of Fat in Food Items at Beef Barn 10 20 30 Focus prds English (United States)
Construct a histogram displaying your data. In complete sentences, describe the shape of your graph. Construct a box plot displaying your data. Does the middle 50% of the data appear to be concentrated together or spread apart? Explain how you determined this. Looking at both the histogram and the box plot, discuss the distribution of your data. alue smaller than 3 and larger than 5 will be considered an outlier.
Determine whether the graph shown could represent a variable with a normal distribution. Explain your reasoning. If the graph appears to represent a normal distribution, estimate the mean and standard deviation. 32 35 38 41 44 47 50 53 56 E. The graph could represent a variable with a normal distribution because the curve is symmetric and bell-shaped. Its mean is approximately 44, and its standard deviation is approximately 32. (Round to one decimal place as needed.) Q right. O C. The graph could not represent a variable with a normal distribution because the curve has two modes. O D. The graph could not represent a variable with a normal distribution because the curve crosses the x-axis. O F. The graph could not represent a variable with a normal distribution because the graph is skewed to the left. 4
Can someone please help with part C please? Thank you.
I do not understand and need help answering
Determine whether the following statement is true or false. If it is false, rewrite it as a true statement. The mean is the measure of central tendency most likely to be affected by an outlier. Choose the correct answer below. OA. The statement is false. Outliers do not affect any measure of central tendency. B. The statement is false. The mode is the measure of central tendency most likely to be affected by an outlier. OC. The statement is false. The median is the measure of central tendency most likely to be affected by an outlier. OD. The statement is true.
The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 34 22 15 24 49 48 8 2 16 30 36 30 11 24 38 23 Complete the table, starting with the lowest class limit. (Simplify your answers.) Relative Cumulative Class Frequency Midpoint Frequency Frequency

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