(USE 1 DECIMAL FOR CALCULATION) A researcher believes that design and the safety of the cars is very important for the customers when buying a car. In order to understand the brand perception of customers' researcher shows three different car pictures and ask them "can you classify this car (in picture) as "sporty" or "safety"? the following cross tabulation is obtained. Test the claim that car brand and consumer perception is dependent. Automobiles Sporty Safety BMW 30 150 Mercedes 60 160 Renault 40 60 Calculate the test statistics.

Q: Proportions data set School Number County # of high school graduates # of high school seniors 1.…

A: Given that  For country Rockingham  The number of high School graduates =2885 The number of High…

Q: Determine the mode percent of white persons living below poverty This will be the 2nd column

A: Arrange the given data in ascending order: 6.1, 8.5, 9.4, 9.6, 9.7, 9.8, 9.9, 10, 10.5, 10.5, 10.9,…

Q: Other Senior Screen Time, AJ's Screen Time and Difference (AJ-Others) 150 100 50 -50 12 Other Senior…

A: The graphs are used to visualize the nature of the given dataset using the pattern that is obtained…

Q: The similarities and differences between three concepts science, non-science and pseudoscience.…

A: Both non-science and pseudoscience are not science. All pseudoscience is non-science. But all…

Q: What type of relationship - positive or negative - is captured in the following sentence? "As…

A: The relationship is positive when an increase in one variable leads to an increase in the other…

Q: I want you to collect data and use it to make a statistical graph (pie, bar, line, or histogram).…

A: Statisticians use different statistical graphs to represent the attributes of data visually.

Q: Choose the correct definitions of response and explanatory variables from the list below. A response…

A: Since we know that Response variable :- Response variable measure an outcome in a statistical study…

Q: 6. What is the residual e for the observation (1, y1) = (9,1.558)? 7. What is the conclusion for the…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: You do not need to label the axes for a histogram, but you do need The bar graph shows categorical…

A: The statements about two graphs are given. i) Bar graph ii) Histogram Bar graph and histogram both…

Q: Talia The heights (in inches) for a sample of 14 male adults are…

A: Data : { 62,82,79,76,80,80,79,79,75,75,75,72,72,72 } Arrange data in increasing order : {…

Q: I want to know if there's any truth to the old saying "Ignorance is Bliss" among Georgia. I talk to…

A: We are given a study in which opinions of 50 people are recorded regarding the self perceived levels…

Q: You use “number of hours spent relaxing” as the dependent variable in a study. Choose two possible…

A: Are dependent variable is the one that is affected by the change in the value of the independent…

Q: You didn't follow the same structure of the tableau i gave you in 2nd photo. Please refer back to…

A: Given: To find: We have to recreate the simplex tableaus by following the same structure as given.

Q: In statistics, what is an emphasis table? Can u give an example.

A: Emphasis table: To represent a study’s conclusions in a more informative and easily understandable…

Q: What does degrees of freedom for degree of freedom for interaction reflects?

A: The interaction effect is the effect which one factor has on the other factor. The degree of freedom…

Q: Consider the following data that represent the commute distances for students who attend Emory…

A: Introduction: The five number summary include the minimum, first quartile (Q1), median, third…

Q: Ltd in a local car dealership that sells used and new vehicles. The manager of the company wants to…

A: y^= β0 + β1x1 + β2x2+β3x3          (Multiple regression form)

Q: (1) Create a list of 5 data values that matches the following description. 3. is the median and…

A: Given,two of the values=17, 24median , mode=3average=27

Q: Which distribution appears skewed left, excluding outliers? 1 Which distribution is 1. Married (yes)…

A: Here use given box plot to compare the results   for left skewed distribution  , box plot represent…

Q: Based on the data collected to check if income and graduation have any relation, following two-way…

A: The given experiment is to be conducted to test the significant association between annual income…

Q: 8. Identify the cases. 9. What is the variable? 10. Is the variable categorical or quantitative?

A: Students at a high school are surveyed about which subject in school they like the most.

Q: Which statement best characterizes the definitions of categorical and quantitative data?…

A: A data is said to be quantitative data if it can be measured on numeric or quantitative scale.…

Q: a. Describe the following variables with respective data types 1. Respondent's identification number…

A: There are mainly 2 types of variables. Quantitative variables and qualitative variables.…

Q: a)Percentage the table based on the values of the independent variable. b) explain what the table…

A: a) Percentage the table based on the values of the independent variable (RESPONDENTS SEX):The total…

Q: For an article in a magazine, 20 different vehicles were selected to obtain data for comparison.…

A: The data is collected from 20 vehicles regarding the price, the fuel economy, the number of doors,…

Q: Sarah is interested in whether the extent to which parents are involved in their children's school…

A: In this case, it is interested in whether the extent to which parents are involved in their…

Q: The histogram below shows the ages (in years) of Honda Times Web site on November 26, 2003. # of…

A: Given, The histogram below shows the ages (in years) of Honda Civic automobiles listed for sale on…

Q: Research Question: Is there a relationship between college graduation and parental education?…

A: Hypothesis is an assumption that is being tested.

Q: Which scale level are the variables given below? (a) Number of pages in the book (b) Number of…

A: The four levels of measurement of variables are as follows: Interval: They are numerical values…

Q: Q1 Association IV Suppose you were to collect data for each pair of variables. You want to make a…

A: Explanatory variable is used to explain or predict the response variable and explanatory variable is…

Q: A scientist conducts research and discovers a link between variables A and B. The scientist claims…

A: If there is a link between the two variables A and B , then there are two possibilities  a) The…

Q: Which one of the following is an approach to handling confounding? (choose one best answer) O…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Identify which of the variables is most likely to be the explanatory variable, and which is most…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.