Does the graph suggest that the distribution is skewed? If so, how?O A. The distribution appears to be skewed to the right (or positively skewed).OB. The distribution appears to be skewed to both sides.O C. The distribution appears to be skewed to the left (or negatively skewed).O D. The distribution does not appear to be skewed. The given data represent the number of people from a town, aged 25-64, who subscribeto a certain print magazine. Construct a frequency polygon. Does the graph suggest thatthe distribution is skewed? If so, how?1000-FrequencyConstruct a frequency polygon using the data. Choose the correct graph below.O A.O B.O C.FrequencyFrequency1000-1000QW WWW04256519.569.5AgeAge19.5AgeAge25-3435-4445-5455-6469.5People63281312469O D.1000Frequency25AgeDO65Q

Here, we know that skewness is a statistical measure that assesses the asymmetry of a probability…

Answered: Does the graph suggest that the…

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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Following are the GPA's of the 30 students from a certain university who participated in a track meet. Draw a dot plot to better display the data. 3.2, 2.8, 2.0, 1.9, 3.0, 3.2, 2.9, 2.2, 2.1, 4.0, 3.5, 3.0, 3.1, 2.1, 3.5 O 4.0, 3.1, 3.3, 2.8, 3.9, 3.9, 3.7, 2.4, 2.9, 3.7, 2.7, 3.0, 2.7, 2.9, 3.9 Select the correct graph below. O A. OB. XX XX XXXXX X X XX x x XX XXXXXXX x x Xx XXXXXX XXX XXXXXX x x Xx XXXX X 15 25 35 1.5 25 35 OC. OD. XX XXX XXXXXXX x x XX XX XX X X X X Xx x x XXX X 15 25 3.5 1.5 25 3.5 Click to select your answer. Prt Scn, Home End DII F3 F5 * F2 F4 F1 & #3 %24
3:34 İ. Construct a simple frequency distribution for grouped data; display your findings in a table (number of intervals should be 5) ii. Add a column to your table with the cumulative frequency (bottom up). iii. Add a column to your table with the relative frequency. iv. Add a column to your table with the relative percent. v. Add a column to your table with the cumulative percent. vi. Construct a histogram that distributes the intervals along the horizontal scale (x-axis) and list the frequency of scores in each interval on the vertical scale vii. Construct an Ogive for this data. Grade 95 94 65 77 69 45 54 88 75 39 15 56 63 93 84 70 63 52 79 81 87 69 99 48 65 83 44 5G 91 35 57 60
Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 4 5 6 7 X; 49.5 48.8 45.3 42.0 52.5 52.6 54.5 53.5 Yi 53.4 50.4 50.2 46.1 52.2 53.9 54.6 54.9 (a) Determine d; = X; - Y; for each pair of data. Observation 1 2 4 6. 7 8 di (Type integers or decimals.)
Which of the following is NOT true about statistical graphs? Choose the correct answer below. O A. They can be used to identify extreme data values. O B. Similar graphs can be constructed in order to compare data sets. O C. They utilize areas or volumes for data that are one-dimensional in nature. O D. They can be used to consider the overall shape of the distribution. ...
Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 4 7 8 X; 44.2 54.6 50.7 49.6 46.7 55.2 50.7 54.8 Yi 47.9 53.3 52.6 54.8 47.1 54.6 51.6 54.7 (a) Determine d; =X; - Y; for each pair of data. Observation 1 2 3 4 7 8 d; (Type integers or decimals.)
Following are average high and low temperatures in January for 6 randomly selected cities. Here, x denotes average low temperature, in °F, and y denotes average high temperature, in °F. Use the information to complete parts (a) through (d). 32 27 28 34 21 31 y 53 44 46 47 37 51 a. Graph the data points. O A. OB. OC. O D. 70- 70- 70- 0- 50 Low Temp 50 Low Temp Low Temp Low Temp High Temp High Temp
Find WI if IE = 3 E G EW and YG are medians of AXYW
For each graph describe the correlation as none, weak, or strong and positive or negative .
a. The line that is closest to the points and its direction tells the direction of correlation that exists between the variables.trendlinescatterplotcartesian planefrequency polygon b. The following statements are true EXCEPT:A positive correlation exists when high values of one variable correspond to high values in the other variable.A negative correlation exists when high values in one variable corresponds to low values in one variable.A zero correlation exists when high values in one variable corresponds to neither high or low values in the other varA positive correlation exist when low values of one variable corresponds to low values in the other variable. c. The important numerical value in hypothesis testing isparametersample valueconclusioninterpretationd. Which of the following best represents a set of numerical data?meanproportionvariancerangee. In the analysis of a scatterplot, the element/s that should be considereddirectionstrength of correlationboth direction and…
Direction: Answer the following questions and graph. 1. Suppose there are 10, 000 test takers of the IQ test where the mean w=100 and Ihe slarndard devialion o=16. a) What are the raw scores that correspond to each of the following z scores? T. zl 2. 7=-1 3. 2=2 1. z 2 b) How many scores are Ihere above 84?
1la With the aid of simple diagrams, explain the types of skewness. b Calculate the skewness for the data set below Class 16-20 21-24 25-29 30-34 35-39 40-44 45-49 Frequency 16 11 31 19 25 35 25

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