Which of the following most accurately describes a correlation coefficient of 0.83 between height (inch X) and weight (lbs Y)?   83% of the variation in weight can be explained by height   There is a strong, positive association between height and weight   There is an association between height and weight   83% of the variation in height can be explained by weight

Question

 

  1. Which of the following most accurately describes a correlation coefficient of 0.83 between height (inch X) and weight (lbs Y)?

     
    1. 83% of the variation in weight can be explained by height

       
    2. There is a strong, positive association between height and weight

       
    3. There is an association between height and weight

       
    4. 83% of the variation in height can be explained by weight

       

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Correlation

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: Honesty Coffee stations in offices often just ask users to leave money in a tray to pay for their co...

A: Given: Researchers at Newcastle University replaced the of flowers on the wall behind the coffee sta...

Q: Another ride The regression of Duration of a rollercoaster ride on the height of its initial Drop, d...

A: Click to see the answer

Q: A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older su...

A: Here, sample size, n is 20, sample mean is 81.8 and sample standard deviation is 23.3.

Q: q26 The table below lists the frequency of wins for different post positions in a horse race. A post...

A: The null and alternative hypotheses for the test would be: H0: Wins occur with equal frequency in th...

Q: What is the pooled variance for the following two samples? Sample 1:  n = 8 and SS = 168; Sample 2: ...

A: Click to see the answer

Q: What design? Analyze the design of each researchexample reported. Is it a sample survey, an observat...

A: Examine whether the men who have undergone vasectomy seemed more likely to have prostate cancer. Fro...

Q: Consider the following hypothesis test. H: o, 2 = 0. H: 0, 02 (a) What is your conclusion if n, = 21...

A: Obtain the value of the test statistic. The formula to obtain the value of the statistic is, The for...

Q: What design? Analyze the design of each researchexample reported. Is it a sample survey, an observat...

A: a) Here the researchers observed the respondents (the rats) whether gene therapy stops the degenerat...

Q: Old Faithful It is a common belief that Yellowstone’s most famous geyser erupts once an hour at very...

A: The frequency histogram of time gaps (in minutes) between 222 successive eruptions. Modality: Modali...

Q: The losing teams in all college basketball games for 2011had scores that are approximately normally ...

A: It is given that the mean and standard deviation are 64 and 11.7.

Q: Assume you get a new job as a coach for a sports team, and one of your first decisions is to choose ...

A: Introduction: Cost per serving implies the cost of the drink provided to each team member, every tim...

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.8 years...

A: Click to see the answer

Q: ​(a) Find the sample mean.   ​(b) Find the sample standard deviation.   ​(c) Construct a 99% confide...

A: The given data set is: 1428 1222 990 692 722 837 721 749 547 630 1447 ...

Q: Unwed births The National Center for Health Statisticsreported the data below, showing the percentag...

A: The least square regression equation is obtained using EXCEL: Select Data > Data analysis > R...

Q: Routine physical examinations of 400 preschool children reveleaed that 70 had dental problems, 60 ha...

A: Given: Total number of children = 400 Children with dental problems = 70 Children with vision proble...

Q: More arrows Consider our archer from Exercise 18.a) How many bull’s-eyes do you expect her to get?b)...

A: Click to see the answer

Q: More survey questions Examine each of the followingquestions for possible bias. If you think the que...

A: a) The proposed question for the survey is “Do you think high school students should be required to ...

Q: A standard deck of cards contains 52 cards. One card is selected from the deck. ​(a) Compute t...

A: The number of cards in a deck of cards is 52. In that, the number of red cars is 26 and black cards ...

Q: In a survey, 19 people were asked how much they spent on their child's last birthday gift. The resul...

A: Solution: Let X be the amount spent on their child’s last birthday gift. From the given information,...

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the ind...

A: Solution: From the given information, X follows normal distribution with mean µ=26 and a standard de...

Q: Assume you get a new job as a coach for a sports team, and one of your first decisions is to choose ...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: need help with all parts please 14

A: Click to see the answer

Q: The segmented bar graphs below depict data from the NAAL (National Assessment of Adult Literacy) con...

A: Solution: There exists relationship among volunteerism-never, Less than once per week and Once per w...

Q: Cramming One Thursday, researchers gave studentsenrolled in a section of basic Spanish a set of 50 n...

A: Click to see the answer

Q: Correlation conclusions II The correlation betweenFuel Efficiency (as measured by miles per gallon) ...

A: It is given that: The correlation between Fuel Efficiency (as measured by miles per gallon) and Pric...

Q: Sample spaces For each of the following, list the samplespace and tell whether you think the events ...

A: a. Two coins are tossed and to record the order of heads and tails. Sample space: The set of all pos...

Q: Parcheesi You are three spaces from a win in Parcheesi.On each turn, you will roll two dice. To win,...

A: Note: the answers will vary. One of the possible answers is given. Given that while playing a Parche...

Q: The average time to run the 5K fun run is 23 minutes and the standard deviation is 2.4 minutes. 17 r...

A: g) As per Central Limit Theorem, any distribution can be approximated to normal if n is sufficiently...

Q: Winter in the city Summary statistics for the data relat-ing the latitude and average January temper...

A: a. Find the percent of variation in January temperature can be explained by variation in Latitude. T...

Q: Statistics Question

A: Click to see the answer

Q: Each sweat shop worker at a computer factory can put together 4.6 computers per hour on average with...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: need help with all parts please

A: Given results of CBS News poll is shown belowThe survey respondents identified themselves as affilia...

Q: Given that the population mean is 45 and population standard deviation is 8. What is the probability...

A: Click to see the answer

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you bel...

A: Click to see the answer

Q: Calculate the expected value of the given random variable X. This exercise assumes familiarity with ...

A: Where N is the population size n is the sample size k is the number of successes in the population

Q: Ho: p= 20 H1: H #20 X=21.5 s=5 n=25 and a=.01 The value of the Z or t-table is: 2.797 2.787 2.576 2....

A: State the hypotheses. That is, the population mean equals 20. That is, the population mean do not ...

Q: if n=20, x=43, and s=9, construct a confidence interval at a 98% confidence level, the data came fro...

A: Click to see the answer

Q: Weightlifting The Atlas BodyBuilding Company (ABC)sells “starter sets” of barbells that consist of o...

A: a. The ABC sells three things. One bar, two 20-pound weights and four 5-pound weights. The mean weig...

Q: sports car gas mileages: 17291519172316242618182824241915202219192121191518181623   Let σ be the pop...

A: Click to see the answer

Q: Traffic headaches A study of traffic delays in 68 U.S.cities found the following relationship betwee...

A: The data represents the relationship between the total delay of traffic in hours and main highway sp...

Q: Blackjack: In single-deck casino blackjack, the dealer is dealt two cards from a standard deck of 52...

A: Click to see the answer

Q: Thirty-five percent of all Americans drink bottled water more than once a week (Natural resources De...

A: Solution: 1. From the given information, p=0.35 and n=290.

Q: The average time to run the 5K fun run is 23 minutes and the standard deviation is 2.4 minutes. 17 r...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: 6. Colorblind By some estimates, about 10% of all maleshave some color perception defect, most commo...

A: Given,10% of all males have same color perception defect, most commonly red-green color-blindness.

Q: Which of these is a main difference between experimentsand observational studies?a) There is a respo...

A: Experimental studies manipulates factors to create treatments whereas observational study do not man...

Q: A test consists of two parts. Part 1 consists of 5 questions to be answered true or false, and part ...

A: Click to see the answer

Q: A study was conducted to determine the proportion of people who dream in black and white instead of ...

A: (a). State the appropriate hypothesis: Let π1 be the population proportion of people over the age 55...

Q: Cell phones and life expectancy The correlationbetween cell phone usage and life expectancy is veryh...

A: Correlation: Correlation analysis is used to measure the strength of the association between variabl...

Q: Stats test, Part II Suppose your Statistics professorreports test grades as z-scores, and you got a ...

A: Click to see the answer

Q: A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2827 occup...

A: a) The hypotheses are given below: Null hypothesis: H0:p1= p2 Alternative hypothesis: H1:p1>p2 Te...