Psychology Business 104 Natural Science Education 70 85 70

Q: Health insurance benefits vary by the size of the company. The sample data below show the number of…

A: The Chi-square test is also known as the test of goodness of fit. Because it enables us to ascertain…

Q: In 2015, Addison Group and Kelton surveyed the work preferences and attitudes of 1006 working adults…

A: Data is given for observed frequency : We have to calculate chi-square value :

Q: n engineer wants to know if the mean strengths of three different concrete mix designs differ…

A: The null hypothesis in a hypothesis test will indicate that there is no relationship between the…

Q: The more appropriate measure of center to use for a data set that is severely skewed is   A.…

A: We have given the following statement about the center data.

Q: Name two kinds of statistical data and describe them in brief.

A:

Q: A statistical program is recommended. You may need to use the appropriate technology to answer this…

A: Given data: Average monthly gas bill for last year Age Square footage Rooms 70.2 16 2537 6…

Q: Describe the purpose of scatter diagrams, and discuss how you would determine whether positive,…

A: Scatter diagrams are useful to determine the relationship between two variables.  The relationship…

Q: 2. Report the statistical results for a three sets of data in APA style.

A: The statistical results for a  sets of data in APA style must be reported.

Q: What is the significance of the upper and lower line in the nomogram

A: The nomogram is also known as Rumack-Matthew nomogram.

Q: If there are 36 data points in a set of data, what is the number of degree of freedom?

A: The basic definition of degree of freedom says that how many observation is free that is for how…

Q: Of the boys in grades 4, 5 and 6 in elementary schools in Michigan, what proportion have as primary…

A: It is given that Total number of students = 569 Number of boys = 272 Number of girls = 297

Q: Suppose that you have a data set that contains a large number of observations. Which graphical…

A:

Q: Calculate the mode, mean, and median of the following data: 19, 16, 16, 10, 999, 14, 16, 919, 16,…

A: Given: 19, 16, 16, 10, 999, 14, 16, 919, 16, 16, 10, 999, 14, 16, 9 The given data observation 16…

Q: Dr. Matos sampled her statistics classes and recorded whether each student worked full-time,…

A: Given: out of 20 students Did not work = 3 Worked Full-time = 10 Part time = 7

Q: A car company wants to know the monthly sales made in ($000), based on the brand of vehicle. The…

A: x=109000SE=1340n=23 The critical value is 2.073873

Q: study is conducted to find the relationship between the amount of saturated fat consumed and…

A: From the given data we find the correlation and regression equation.

Q: The selling prices in thousands of dollars for homes located on Long Beach Island in New Jersey are…

A: Given: Data on selling prices for homes on four locations of Long Beach Island in New Jersey. The…

Q: Refer to the following: For countries listed in the Human Development Report, the correlation…

A: Given information- Correlation between the percent of people using the Internet and per capita gross…

Q: Consumers are becoming more aware of the fuel efficiency of their vehicles. The list shown here…

A:

Q: Which of the following is not a common data source? A. Customer Surveys B. Social Media Platforms…

A: The given information states that thethe data sources are given.A) Customer Surveys,B) Social Media…

Q: Which of the following is not statistically variable? Please choose one: a. A, B system blood group…

A: Blood groups are statistical variables Student birth cities are statistical variables  Relative…

Q: Selecting a Movie A media rental store rented the following number of movie titles in each of these…

A: Total number of movies = (166 + 240 + 122 + 324 + 134) = 986 Movies in romance category = 324 Movies…

Q: According to you which is the best method of collecting data for a social research - Interview or…

A: According to me, Focus group is better method of data collection. It is also a kind of interview but…

Q: Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a…

A: Formula : Test statistic

Q: The ages (in years) of 10 men and their systolic blood pressures (in millimeters of mercury) are…

A: The independent variable is Age. The dependent variable is systolic blood pressure. We have to find…

Q: Estimate the most likely degree of correlation for the scatterplot   Options: a. -.99 b. 0 c.…

A: Correlation is the measure that used to determine the strength of association between the two…

Q: I need help finding unusual values from a data set.

A: Here we find that unusual values from a data set.

Q: If we want to study the association between city and risk of death, but we are worried about age…

A: Confounding variable is an extraneous variable which is not measured in the study. The relationship…

Q: Refer to the following: For countries listed in the Human Development Report, the correlation…

A: It is given that correlation between the percent of people using the Internet and per capita, gross…

Q: If a data set has 15 mean standard daviation 2 , percentage observation lie between 13 and 17

A: From the given information, Consider, X be the number of observation that has mean of 15 and…

Q: If there are 13 data points in a set of data, what is the number of degrees of freedom?

A: Sample size n=13

Q: A personal trainer wanted to know if there was a correlation between the number of trips her clients…

A: Solution: Let x= Number of visit per week  and y= Average time spent execersing per visit( hours)…

Q: O Student'st chi-square O normal O uniform What are the degrees of freedom? (c) Find or estimate the…

A: Given: The data is    Personality types Row total Occupation T F Clergy 56 92 148 M.D. 73…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.