You are testing an animal's response to a pathway (one has a chemical scent blowing down it, the other only has air blowing down it). You wish to see if the animals respond differently to the choice of pathways (so they either choose one or the other). What kind of statistical test test would you pick? T-test Chi Square Correlation test

Q: The table shows the earnings (in thousands of dollars) of a random sample of 11 people with…

A: Given information n1=11, n2=10  Level of significance ɑ=0.05

Q: Let y represent the profit (or loss) for a certain company x years after 1980. Based on the data…

A: Y^=-1.92X+53.29 ;

Q: Marvin is making an ice cream sundae. He has ten options for ice cream, 20 options for dry toppings,…

A:

Q: d?

A: The data shows the level of carbon monoxide for 12 locations.

Q: Which of the following is not true of statistics? OA. Statistics is about providing a measure of…

A: Objective of this question is that which statement is correct.

Q: According to the historical data, the life expectancy in Belgium is less than the life expectancy in…

A: Confidence interval is an interval such that the probability of the unknown parameter to be included…

Q: 4. What is the standard error of measure (SEM) for a sample of n-1,200 with s-257 Further, explain…

A: Given:-            The standard error of measure (SEM) for a sample n = 1200…

Q: Results of Regressions of Average Hourly Earnings on Gender and Education Binary Variables and Other…

A: As per the guidelines. Since you have posted a question with multiple sub-parts, we will solve the…

Q: A group of researchers are working to determine the historic sea levels of the body of water. They…

A: Given information:   Age(x) centimeters(y) x^2 y^2 xy   1 85.96 1 7389.122 85.96   2 171.96 4…

Q: a. The random variables X and Y are such that their moment generating functions (MGFs) exist and are…

A: a) Let X and Y be two continuous random variables with pdfs fX(x) and fY(y), respectively. The…

Q: at plan to hire additional employees in the next 60 days. ow many randomly selected employers must…

A: Given Margin of error (E) =0.06 95% confidence for 1.96

Q: A recent study found that 18 out of 30 students believe that 8 AMs are tougher than other class…

A: We have given that p = 43% = 0.43% n = 30x = 18p̂ = x/n = 18/30 = 0.6

Q: erify that the boxed variables of the ANOVA table are correct.  Note: It's possible that the answer…

A: NOTE: Hi! Thank you for the question, as per the honor code, we are allowed to answer three…

Q: The mean age of principals in a local school district is 52.5 years. If a hypothesis test is…

A: claim : μ = 52.5 we have to interprete decision : reject the null hypothesis.

Q: A researcher wanted to determine which method would help smokers quit smoking. He divided a group of…

A:

Q: The true mean number of siblings my Facebook friends have is X=2.9 My estimated sample mean was X=3…

A: In the given image, The p value is 0.6744  Significance level (alpha)  = 0.05

Q: Overtime Hours Worked A random sample of 14 registered nurses in a large hospital showed that they…

A: Givensample size(n)=14Mean(x)=42.4standard deviation(s)=2.1confidence level=95%

Q: Below are four bivariate data sets and their scatter plots. (Note that all of the scatter plots are…

A: Correlation coefficient measure degree of linear relationship between two variables.

Q: In the following data, x is the average number of hours the student spent working on math each week…

A:

Q: It is commonly believed that the mean body temperature of a healthy adult is 98.6∘F98.6∘F. You are…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Given the following information regarding a dependent variable (Y) and an independent variable (X)…

A: Given Enter the above given data in to excel sheet

Q: In a survey conducted by Wright State University, senior high school students were asked if they had…

A: Given that, in a survey conducted by Wright State University, senior high school students were asked…

Q: tudents Who Major in Business It has been reported that 20.4% of incoming freshmen indicate that…

A: given data sample size (n) = 300favorable outcomes (x) = 7592% ci p.

Q: For a normal distribution with a mean of µ = 10 and a standard deviation of σ = 2, what is p(X<15)?…

A: given data normal distributionμ =10σ = 2P(x&lt;15) = ?

Q: Apopular coffee company claims that most people prefer their coffee to their competitors. To prove…

A: Given that Sample size=300 Number of people picked the company's coffee correctly =182 Level of…

Q: Any basketball fan knows that Shaquille O’Neal, one of the NBA’s most dominant centers of the last…

A: It is given that  Population proportion, p = 53.3% = 0.533 Favourable cases, X = 26 Sample size, n =…

Q: If p is the probability of success of a binomial experiment, then what is the probability of…

A: given data binomial expewrimentP(success) = pP(failure) =?

Q: Que Need specs are like good hypotheses. They need to testable O general O interesting O in a very…

A: Need specs are like good hypothesis.They need to be testable.

Q: Media periodically discuss the issue of heights of winning presidential candidates and heights of…

A: The total number of observations is n = 14.

Q: another retail merchant who sells face masks spent a total $55 for advertising its product. using…

A: Regression model is,  Y= 279.2893401+3.220812183*X Where Y is sales of merchant and X is advertising…

Q: Please Describe how to perform Interval Estimate of a Population Mean when o is known, if you can,…

A: Here, need to find out the interval estimate of a Population mean when σ is known.

Q: The weight of adult male grizzly bears living in the wild in the continental United States is…

A: Given that: Adult male grizzly bears: Population mean, μ=500 Population standard deviation, σ=50…

Q: If a researcher's statistical test supports the conclusion that their manipulation improved worker…

A: It is given that  Alpha = 0.01 Test is that whether manipulation improves worker morale.

Q: as sh below (t=0); (t=0.5); and the covariance matrix for X and X2. rite the second-order…

A:

Q: population has parameters μ=170.9 and σ=18. You intend to draw a random sample of size n=87n=87.…

A: given data, μ=170.9σ=18n=87we have to find out the  mean of the distribution of sample means=?

Q: Most soft drink beverages are packaged and sold in 12-ounce cans. You want to test to see how…

A: a. Suppose μ1, μ2 are the population mean amounts of liquid in Coke cans and Pepsi cans,…

Q: Given a 2 rows by 3 columns contingency table want to know if the three proportions are different.…

A: Given a 2 rows by 3 columns contingency table want to know if the three proportions are different.…

Q: A somewhat outdated study indicates that the mean number of hours worked per week by software…

A: Solution : We have given that, the mean number of hours worked per week by software developers, u,…

Q: Shown below is a portion of a computer output for a regression analysis relating supply (y in…

A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: (a) The organizers of a conference want to survey attendees about the registration fee. Which of the…

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

Q: Match each of the histograms with its corresponding boxplot. 4Match the histogram with the boxplot.…

A: The objective is to match each of the histograms with its corresponding boxplot.

Q: Use a ruler to help you estimate the slope for a line that best approximates the data in the scatter…

A:

Q: (a)State the hypotheses and identify the claim with the correct hypothesis. (b)Find the critical…

A: Given that  Population Standard Deviation = 3.2 Sample size = 42 Note : According to bartleby…

Q: Express the confidence interval 86.7%±4.6%86.7%±4.6% in the form of a trilinear inequality.

A: given data  ci = 86.7%±4.6% we have to represent it as trilinear inequality

Q: Here are summary statistics for randomly selected weights of newborn​ girls: n=36​,…

A: given data sample size (n) = 36sample mean ( x¯ ) = 3180.6sample standard deviatio (s) =700.595% ci…

Q: a) Write down the null hypothesis for the test, with the variables described clearly in the subject…

A: Given that:   Stress levels Education levels Normal Moderate Severe Secondary 32 41 40…

Q: The mathematics achievemnet test cscore of 750 students were found to have a mean and variance of…

A: It is given that  Mean, μ = 600 Variance, σ2 = 4900 Standard deviation, σ = 70 Sample size, n = 750…

Q: Ise the frequency distribution to complete parts (a) rough (e). Determine the total number of…

A: class frequency 7-11 9 12-16 4 17-21 6 22-26 1 27-31 2 32-36 9

Q: Determine whether the quantitative variable is discrete or continuous. the number of goals scored in…

A: Given: We need to determine whether the quantitative variable - "The number of goals scored in a…

Q: Claim:More than 3.5​% of homes have only a landline telephone and no wireless phone. Sample​ data: A…

A: The given claim is that more than 3.5% of homes have only a landline telephone and no wireless…