If we have a large voluntary response sample consisting of weights of subjects who chose to respond to a survey posted on the Internet, can a graph help toovercome the deficiency of having a voluntary response sample?Choose the correct answer below.O A. No, a graph cannot help to overcome the deficiency. Before graphing, all inaccurate values and outliers must be removed from the data set.O B. Yes, a graph can help to overcome the deficiency. Certain graphs that hide any specific values in the data, such as pie charts, can be used to hidedeficiencies in the sampling technique.C. Yes, a graph can help to overcome the deficiency Any graph that is given with a sufficiently accurate description of any deficiencies in the samplingtechnique is no longer considered biased.O D. No, a graph cannot help to overcome the deficiency. If the sample is a bad sample, there are no graphs or other techniques that can be used to salvage thedata.

Given If we have a large voluntary response sample consisting of weights of subjects who chose to…

Answered: we have I large Voluhtaly response…

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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Some data sets include values so high or so low that they seem to stand apart from the rest of the data. These data are called outliers. Outliers may represent data collection errors, data entry errors, or simply valid but unusual data values. It is important to identify outliers in the data set and examine the outliers carefully to determine if they are in error. One way to detect outliers is to use a box-and-whisker plot. Data values that fall beyond the limits Lower limit: Q1 − 1.5 ✕ (IQR)Upper limit: Q3 + 1.5 ✕ (IQR) where IQR is the interquartile range, are suspected outliers. In the computer software package Minitab, values beyond these limits are plotted with asterisks (*). Students from a statistics class were asked to record their heights in inches. The heights (as recorded) were as follows. 65 72 68 64 60 55 73 71 52 63 61 74 69 67 74 50 4 75 67 62 66 80 64 65 (a) Find the value of the interquartile range (IQR).IQR = (b) Multiply the IQR by 1.5 and find the lower…
Questionvl 8. A relationship between two kinds of data is best represented by ------graph.
Can you make a histogram graph for this data? Review Chapter-3 Fall-2019 Based on California Edition (1) =Find the mean, median, mode, range and mid-range of the following data 89, 91, 55, 7, 20,99, 25, 81, 19, 82, 60 0) Find the mean of the frequency distribution
4. Why is it not possible to describe a pattern when the data from this table is graphed in a scatter plotVariable1 3,9,18,25Variable2 12,4,21,14A. The points are too close togetherB. There are too few pointsC. There are too many outliersD. There are two data clusters
6. Assume that the scatterplot shows the median volume and median value of used cars over the years in the UK used car market. (a) As the data are graphed, which is the independent and which is the dependent variable? (b) Why do you suppose median value and volume have been used instead of the mean? (c) Using the graph, estimate the median value of sales if the median volume of used cars sold is 2.3 million. (d) Use the equation to predict the median value of sales if the median volume of used cars sold is 2.3 million. (e) What other factors besides the price of used cars might influence the volume of used cars sold? Value = 30.97 – 1.211 Volume 40 35 30 25 20 - 15 10 - 0+ 1.5 2 2.5 Median Volume of Used Cars Sold (in millions) Median Value of Used Car Sales (in billions of pounds)
Draw the appropriate graph for each of the data sets given below. Explain the chosen graphs and give a short interpretation.
Data Management - Organization of Data for analysis
1. Describe the graph you created above. 2. What measures of center and spread would be best to use for weight gained? 3. Is it unusual for a mother in this dataset to gain 71 pounds, or more, while pregnant? Explain your answer completely by referring to the graph and calculations 4. Based on this histogram, what is the most common range of weight gained for mothers in this dataset?
Class A Class B 10 15 20 26. Which statement about the box plots is true? A. Class A has a larger range than Class B. B. Class B has a larger median than Class A. C. The third quartile for Class B is larger than the median for Class A. D. The first quartile for Class A is smaller than the median for Class B E. Class A has the lowest score.
If the level of employee satisfaction drops below 0.60 overall, then there is a belief that there may be a serious problem with morale in that department. There have been rumors that the Human Resources department (hr in the data file) may be having just such issues. Using a statistical package, test to determine if the mean employee satisfaction level in the Human Resources department is less than 0.60. 1. Is satisfaction level a qualitative or quantitative variable? 2. Graph the employee satisfaction level for the Human Resources department with an appropriate graph and calculate statistics appropriate for this type of data. 3. Conduct the appropriate hypothesis test using the following steps. a. Determine the null and alternative hypotheses. b. Use a significance level of a = 0.05. c. Validate the assumptions of the hypothesis test, identify the appropriate test statistic, and compute its value. d. Determine the P-value. e. Make a decision to reject or fail to reject the null…
in this question I am asking, only answer exercise 6-76 preferably.
State the results for the following pic attach

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