Which of the following variables is an example of a categorical variable ? O A. The time it takes you to write a test. O B. The amount of money you spend on eating out each month . O The weight of a cereal box . OD The geographic region of the country in which you live

Q: ht of beauty pageant winners is 117 pounds. A study of 17 randomly selected beauty pageants resulted…

A: In this case, the claim is that the mean weight of beauty pageant winners is 117 pounds.

Q: Which of the following describes what a categorical variable is? A variable that represents any form…

A: Categorical variable : Categorical values are those values which can be described as a names or…

Q: State the Type I and Type II errors in complete sentences given the following statements. d

A: HERE use basic of type 1 and type2 error  Type 1 error occur when rejecting true null hypothesis…

Q: Which of the following statements is true? O The population mean may be equal, less than or greater…

A: The population mean can be greater than, equal to or less than the sample mean.

Q: A survey typically records many variables of interest to the researchers involved. Below are some of…

A: A survey typically records many variables of interest to the researchers involved. Below are some of…

Q: A survey of students at one college was conducted to provide information to address various concerns…

A: The variables internet is categorical in nature and has  particular order for the groups.  ∴a) An…

Q: The table shows the results of a random survey of students in grade 9 and grade 10. Every student…

A:

Q: Art Club Debate Team Book Club Total 9th graders 24 17 20 61 10th graders 27 22 15 64 Total 51 39 35…

A: A) Total number of students who chose Book Club =  35 Number of students who choose book club and…

Q: Which of the following is true? O An independent variable is a variable that is affected by other…

A: Independent variable a variable which can't be written in linear combination of other variable so it…

Q: Whether a person washes their hands before leaving a public restroom   a. quantitative variable…

A: Solution The random variable in the question is whether person washes hands.

Q: A teacher wants to determine if the type of textbook used by her studenst can be uses to predict the…

A: Solution: From the given information, a teacher wants to determine if the type of textbook used by…

Q: Tell whether each of the following questions is biased or fair. Why? a. What is your favorite color?…

A: 1) Option (A) is incorrect as choosing any particular color does not put other colors in the bad…

Q: Which measure of the central tendency can be used for both numerical and categorical variables a.…

A: Arithmetic mean and median can be used only for numerical variable as in the calculations of…

Q: In a hypothesis test to determine if there is a relationship between two categorical variables, what…

A: The claim is to determine whether there is a relationship between two categorical variables or not.…

Q: Tell whether each of the following questions is biased or fair. Why? a. What type of music do you…

A: Part(a) The correct option is option A. Because in option A has the  question does not make an…

Q: Use the following results from a test for marijuana​ use, which is provided by a certain drug…

A: The study show the results from a test for marijuana​ use, among 147 subjects with positive test​…

Q: What TWO decisions should be made when P-value > a ? Fail to reject the Ha O There is not evidence…

A:

Q: 12. For testing Ho: M1 = H2, HA: H1> U2 using the t-test, choose the correct statement A. The larger…

A: Given : To test : Ho:μ1=μ2   VS     H1:μ1>μ2 Using t-test

Q: Residents in a city are charged for water usage every three months. The water bill is computed from…

A: Given

Q: Which of the following variables can be classified as categorical? Exam letter grade Time spent on…

A: Categorical Variable: A categorical variable is a variable which can take on one of a limited,…

Q: Peter Laviolette, head coach of the Washington Capitals, would like to know if a player's number of…

A: From given data, sample correlation coefficient is found using excel. The function to be used is…

Q: Which of the statements is/are true? I. The median is always part of the original data set it was…

A: Given that Which of the statements is/are true?   I. The median is always part of the original data…

Q: A survey typically records many variables of interest to the researchers involved. Below are some of…

A: Variable can take more than one values. If it takes only a single value, then it is a constant. The…

Q: The accompanying data were collected from a statistics class. The column heads give the variable,…

A: Given, The data is obtained from the statistics class. The column heading are the variable and row…

Q: Which of the following variables is an example of a categorical variable? O a. The amount of money…

A: A categorical variable is a variable which takes qualitative data. That is: they take on values that…

Q: Assume we have a study of interest  that involves the one numerical variable shoesize George and…

A: For the statement 1, Given variable is shoe size. The statement 1 is false because there exists some…

Q: What is H0? Group of answer choices: 1. pmales = .95 and pfemales = .05 2. pmales = .95 and pfemales…

A: Solution

Q: A scatterplot can be used to illustrate the relationship between: one categorical variable and one…

A: Scatterplot : A scatterplot uses dots to represent values for two different numeric (quantitative )…

Q: a. Is the number of statistics students now reading a book discrete or continuous? O A. The variable…

A: Discrete data set is the data in which value is countable and finite. Example {1,2,3,4,6} Continuous…

Q: 14. A teacher wants to determine the best day for a class party, so she asked the 25 students in her…

A: Population: Population consists of the complete subjects that are included in the study for making…

Q: Erin is married to Glen Mills. Erin earns an income of 500 and Glen earns an income of 400. Glen and…

A:

Q: An Uber service claims that it takes, on the average 15 minutes to reach its destination. To check…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Write the capital letter to the correct answer. For example, if the answer is σ write J Which of…

A: We want to tell you which one is the correct choice

Q: The following information is collected from students upon exiting the campus bookstore during the…

A: Numerical variable are countable and quantitative in nature. For ex: number of students in a class…

Q: Dr. Peart randomly assigns some children to two separate groups. One group of children watches a…

A: i) The independent variable is video of an adult shown.  Two conditions in the independent variable…

Q: Jeremiah gathers data on the driving experience of his classmates. To that end, he asks his…

A: The question is about types of data Given :

Q: A website sells used golf clubs. For a sample of 50 golf clubs to feature the following information…

A: Solution: The variables could be classified into two types: 1) Quantitative variable  2) Qualitative…

Q: Suppose we wish to test Ho: µ = 47 versus Ha: µ > 47. What will result if we conclude that the mean…

A:

Q: Which of the following are required to use the t test (remember there is both the variable you are…

A: Solution The data used in T test should be interval scaled and can not be a dicotomus. Because the…

Q: Which of the following is NOT true of a bar chart?

A: Bar chart are used to show categorical data with horizontal or vertical bars.

Q: Residence in the city are charge for water usage every three months the water bill is computed from…

A: Given information: Two histograms showing the last water bill for n = 40 residents from two…

Q: The owner of a company has recently decided to raise the salary of one employee, who was already…

A: The mode salary amount will be the salary that is given to the maximum number of employees. Since…

Q: Which of the following are anecdotal and which are based on sample? a. Out of 200 students…

A: Please find the explanation below.

Q: For each of the following state what type of test you should use. Weights were measured from 35…

A: Given Data: Data is not normal We have 1 sample on different months

Q: A manager of a local package delivery store believes that too many of the packages were damaged or…

A: Dummy variables : A dummy variable may be a variable with values of zero and one, with the values…

Q: Select all of the statements that describe the two boxplots above. O The top 25% of weekly unit…

A: The boxplots display the resulting weekly unit sales in intervals of 25for two small franchise…

Q: Which of the following is the domain of a random variable? Choose the correct answer: a. set of…

A: Sample space Sample space is the set of all outcomes of a random experiment.

Q: 3. Indicate the type of error in the following situation. a. The respondent cannot recall accurately…

A: A type-I error is rejecting the null hypothesis when it is true. A type-II error is accepting the…

Q: Here are several z-scores.  Which person scored furthest from average? Ahab: Z = +1.2 Brianna: Z =…

A: Givenz-scores isAhab: Z = +1.2  Brianna: Z = -0.8  Cecilia: Z = -1.4  Darnell: Z = +0.7  Evelyn: Z =…

Q: The accompanying data were collected from a statistics class. The column heads give the variable,…

A: A new variable is created that classifies a student as a freshman and not a freshman.

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.