Mr. Acosta, a sociologist, is doing a study to see if there is a relationship between the age of a young adult (18 to 35 years old) and the type of movie preferred. A random sample of 93 adults revealed the following data. Test whether age and type of movie preferred are independent at the 0.05 level.   Person's Age   Movie 18-23 yr 24-29 yr 30-35 yr Row Total Drama 10 15 9 34 Science Fiction 13 9 8 30 Comedy 7 10 12 29 Column Total 30 34 29 93 1. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) 2. What are the degrees of freedom?

Q: 2. Look at the following scatterplot that shows the relationship between state crime rate and state…

A: From the given scatter plot, we can see that,  The amount of money that is spent on the police is…

Q: Population of cities and driving times are related, as shown in the accompanying table, which shows…

A: (c) The power function is given as T=3.4×N0.18 Differentiate w.r.t N…

Q: The data shown below are the red cell folate level (ug/ l) in three groups Group 1 (n=8) 243 251…

A: The given data for the 3 groups are as follows:

Q: Consider the following data set that contains information about the average price of a dozen eggs in…

A: For the given data Find m = ? b =? r2 = ? Given x =4.15 then y = ?

Q: ow, we see a snippet of a dataset that consists of 128 observations and 15 variables. We o models…

A: Given: The R output is as below

Q: The following table reports row-relative frequencies of the data from a survey on the ownership of…

A: Relative frequency is the ratio of the occurrence of a singular event and the total number of…

Q: The director of a local Tourism Authority would like to know whether a family’s annual expenditure…

A: Given,

Q: The following data give the percentage of women working in five companies in the retail and trade…

A: As per our guidelines, we are allowed to answer three sub-parts only. Thanks   Given Data : X = %…

Q: A magazine devoted to cycling, reviews hundreds of bicycles throughout the year. Its Road-Race…

A: We should find the regression equation. Please find the solution below. Thank you.

Q: b) Professor Enos, a sociologist, is doing a study to see if there is a relationship between the age…

A: Given information: In order to study the relationship between the age of young adult and the type of…

Q: Population of cities and driving times are related, as shown in the accompanying table, which shows…

A: The driving time and population of 6 cities are given and a function that relates driving time with…

Q: The following data give the percentage of men working in five in the retail and trade industries.…

A:

Q: The following data give the percentage of women working in fivecompanies in the retail and trade…

A: Disclaimer: Since you have posted a question with multiple subparts, we will solve first 3 subparts…

Q: To determine whether talking to plants affects their health, a researcher conducts a study in which…

A:

Q: For the following data, what is the value of SS within ?                      B1…

A: SSwithin=∑SSInside each treatments=10+20+10+20=60

Q: The following are data on the percent effectiveness of a pain reliever and the amounts of three…

A: Software procedure to obtain regression in EXCEL. Enter the given data in EXCEL sheet. Go to Data…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). X8…

A: Solution: Let A denote by 1 and M denoted by 0. From the given information,

Q: The director of a local Tourism Authority would like to know whether a family’s annual expenditure…

A: calculation procedure for correlationsum of (x) = ∑x = 520.4sum of (y) = ∑y = 48sum of (x^2)= ∑x^2 =…

Q: An MBA student wants to answer the question "How does an MBA major affect the number of job offers…

A: The complete ANOVA table is given below:

Q: The director of a local Tourism Authority would like to know whether a family’s annual expenditure…

A: In statistics, there will be variables in the data. O one variable shows related variation in the…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: Solution: Let A denote by 1 and M denoted by 0. From the given information,

Q: A sociologist is doing a study to see if there is a relationship between the age of a young adult…

A: We have to perform Chi-square independence test. This test used for categorical variables to check…

Q: A sociologist is doing a study to see if there is a relationship between the age of a young adult…

A: Find expected frequency for each cell using the formula: Expected frequency table:

Q: The following data represent the results of a repeated-measures study comparing different viewing…

A: Test Hypotheses: There are 3 groups of viewing distances. Denote the true average of the four groups…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: Enter the data into the excel sheet as follows: Let's code A as 1 and M as 0 in column L under X11…

Q: 2. Given the data, test whether there is a relationship between the number of years in college (X)…

A: We have given that,  X :-  0       1      3       4       4       6 Y:-   15    15     20   25…

Q: Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of…

A: The following information has been given:   Before  After 265 229 240 231 256 227 295 240…

Q: The results of an anonymous survey of 10 students about whether they smoke and whether they run red…

A: Solution: Given; Total number of students  = 10 To summarize the data in a two way table.

Q: Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of…

A:

Q: The following data give the percentage of women working in five companies in the retail and trade…

A: (C)  Many different straight lines can be drawn to provide a linear approximation of relationship…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: Solution: Let A denote by 1 and M denoted by 0. From the given information,

Q: Use the data table below to answer the questions regarding the relationship between sit-ups (X) and…

A:

Q: Worker 1 3 4 Week without music 219 205 226 198 209 216 Week with music 235 186 240 203 221 205 At…

A: For Week without Music : Standard Deviation, s: 10.1472  Count, N: 6 Sum, Σx: 1273 Mean, x̄:…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: To conduct the multicollinearity compute the values of VIF. First find the correlation between the…

Q: The data to the right contain the per-capita energy consumption, in kilowatt-hours, for each of the…

A: We want to find mean , population standards deviation and population variance

Q: Do larger universities tend to have more property crime? University crime statistics are affected by…

A:

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: Given Information: Consider the given data: Y X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 18.9 350 165…

Q: Which of the following statements is/are true regarding the fuel economy data?

A: Given information: Given data represents the values of fuel economy in MPG.

Q: The table below shows the average monthly rainfall in inches for Los Angeles, California. Which…

A: Ty

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

A: Dear student as per guidelines we answer the first three subparts only. Solution. Use chi square…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: Given Information: Consider the given data: Y X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 18.9 350 165…

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). X6…

A: Given Information: Consider the given data: Y X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 18.9 350 165…

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

A: b) The computational table is given below:…

Q: Modern medical practice tells us not to encourage babies to become too fat. Is there a positive…

A:

Q: Is there a relationship between treatment and smoking cessation? A study randomly selects a group of…

A: The data shows the treatment is measured on whether or not participants smoked in weeks 9-12 of the…

Q: To achieve the suggested power of 0.80 in MANOVA when assessing medium effect sizes in a 5 group…

A: Given :The suggested power of 0.80 in MANOVA when assessing medium effect sizes in a 5 group design…

Q: The following table lists highway miles (in MPG) and weight (in pounds) for a variety of cars,…

A: In this case, the independent variable is the weight of the car (x) and the dependent variable is…

Q: Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of…

A: From the provided information, Sample size (n) = 15 Level of significance (α) = 0.05

Q: The table presents gasoline mileage performance for 25 automobiles (Source: Motor Trend, 1975). Y X1…

A: Given Information: Consider the given data: Y X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 18.9 350 165…

Q: The general manager of a chain of furniture stores believes that experience is the most important…

A: Scatter plot is used to represent the relation between two variables graphically. If the dots…