3. The data collected on 10 college students were shown below, X is the number of hours the subject spends watching television per week (TV hours) and Y is the GWA. Student No. TV hrs. GWA 1 4 2.75 2 25 2.25 3 5 4.00 13 2.75 5 7 3.00 6 10 2.50 7 8 3.50 8 5 3.00 9 20 2.50 10 13 3.00 Compute the following: a. coefficient of determination and interpret the result b. problem r c. significance of r using t test. 4

Q: 4. What is the probability of rolling two die and getting a sum that is between 4 and 6, inclusive?…

A: Expected value is calculated by the combined value of random value with the corresponding…

Q: 1. Age of person (in years) Weight (in kg) aj 16 17 11 12 13 14 15 40 42 38 35 45 51 48 b. Trend…

A: Scatterplot is used to represent the two numerical variable. It helps to determine the association…

Q: The game of Mastermind starts in the following way: One player selects four pegs, each peg having…

A:

Q: Assume the current value of Zt is 165 from a process that has the AR(1) model z = 0.42-1 + a, and…

A: An AR(1) model is a time series, Autoregressive model that forecasts the future value of a variable…

Q: Class Intervals LL-UL 24-29 30-35 36-41 42 43 48-53 54-59 60-65 66-71 Table 1 Frequency Distribution…

A: Percentile is one the measure of quantiles. It used to understand the location of the observations.…

Q: This is a Free Response question. You can either: 1) type in and show all your work in the textbox…

A: Let Y represents height of fathers and X represents the heights of sons.  Then, given that, uy= 70…

Q: three children.  Assume the likelihood of a girl (G) and boy (B) is the same.  How many…

A: Given, Suppose a family has three children.  Assume the likelihood of a girl (G) and boy (B) is…

Q: Sub part~ d) what is the mean of the population  e)interpretation in APA fo

A: The output is:

Q: The average gasoline price per gallon (in cities) and the cost of a barrel of oil are shown for a…

A: a) In this case, cost of oil is the independent variable (x), and cost of gasoline is the dependent…

Q: 1. A random sample of 50 medical school applicants at a university has a mean raw score of 31 with a…

A: Given that  Sample size n =50 Sample mean =31 Standard deviation =2.5

Q: Aleyla, an educator, would like to investigate whether students’ IQ have an effect on their exam…

A: Correlation is used to measure the strength of association between the two numerical variable. It…

Q: Activity 1: Illustrating Hypothesis Directions: Explicate a null hypothesis and its alternative…

A: Given that  Directions: Explicate a null hypothesis and its alternative hypothesis in (a) words and…

Q: How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers…

A: Given : Claim : the mean number of tissues is different from 60.

Q: A study at Auckland's Green Lane Hospital looked at the effect of length of fast on stomach pH…

A:

Q: 3. Use the following Table to calculate the minimum premium an insurance company should charge for a…

A: Given Type of insurance : Two year term life insurance         Sum assured : $100000     Age : 40…

Q: The distribution of scores on a standardized aptitude test is approximately normal with a mean of…

A:

Q: The graph of the normal distribution resembles a "bell" curve. True False

A:

Q: A baker is interested to find the relationship between the width of the shelf space for her brand of…

A: Fitted linear regression model is given by, Y= β0+β1X From the above output, β0 (Intercept)= 429.048…

Q: The details for the two project proposals are shown below: IRR NPW (15%) EUAW(15%) PROJECT I 20.01%…

A:

Q: . Find the mean, median mode and standard deviation of the following set of data: CLASS INTERVAL f…

A: Introduction: Weighted Mean:  The weighted mean is defined as, Mean=∑iwi xi∑iwi For the continuous…

Q: Out of 300 people sampled, 198 had children. Based on this, construct a 90% confidence interval for…

A: Given that  Sample size n =300 Favorable cases x =198 Sample proportion p^=x/n  =198/300 =0.66

Q: With reference to the following data, find the correlation coefficient and the regression equation…

A:

Q: 1. Which quantity is the independent variable? O average mid-career salary of graduates O annual…

A:

Q: A student believes that a certain 6-sided number cube, with the numbers 1 to 6, is unfair and is…

A: Given that  A student believes that a certain 6-sided number cube, with the numbers 1 to 6, is…

Q: "On the Standford-Binet test, the mean IQ is 100. A class of 13 kindergarten pupils were tested with…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: 20. In a sample of 1000 voters, a popular mayor. Aira, got 75% of the votes. She is 90% confident of…

A: According to the formula of Margin of Error (MOE) = γ*σ2N     where γ= percentile , σ = Standard…

Q: A consumer product magazine recently ran a story concerning the increasing prices of digital…

A: From the provided information, The average price of all digital cameras a couple of years ago was…

Q: Find the value of z such that P(Z > z) = 0.036. Use two decimal places in your final answer. Sample…

A:

Q: Definition: Which of the following is the best definition of a point estimate? O A random guess at…

A: The following statement about the point estimate.

Q: question 17 The table below shows the number of state-registered automatic weapons and the murder…

A: We have given that y=0.86x+3.93 x = thousands of automatic weaponsy = murders per 100,000 residents

Q: 1./ )A computer store has 8 monitors, 3 of which are defective. A customer randomly selects two of…

A:

Q: Q2/ is * the arithmetic mean of the data 47 70 87 45 17 33 90 57 72 65 69 35 49 40 10 22 29 70 44 77…

A: Measure of central tendency are used to meausre the average value of all the observations in the…

Q: What is the probability that the height of a randomly chosen child is between 56.4 and 64.7 inches?…

A: Let denote the heights of children. Given that X follows N(mean = 54.7, SD = 8), then Z = (X -…

Q: 1. The table below shows the number of selfies posted online and the score obtained from Science…

A: Given that                   We have to conduct hypothesis testing for the claim that there is…

Q: A data set has Maximum Value of 200 and Minimum Value of 67. (a) What is the range of the data…

A: Given Max value=200 Min value=67

Q: he annual salaries (in ‘000 US dollars) of a random sample of workers in a company are presented in…

A: As per Bartley rule i solved only three subparts.

Q: 7. A roulette wheel contains 38 slots. When the wheel is spun, a ball is dropped onto the wheel and…

A:

Q: True or False 1. Chi-square test of independence requires that there is no less than 1 observed…

A: Required: To determine whether the statements are true or false.

Q: SALTY S=Sc prizes Cend of year) Ms Weston found this graph and a) Explain why this is the case.…

A: There are total count =26 1. P(Lollies) = 11/26

Q: 7. What is the critical value for a right-tailed test with a = 0.025 and a. 0.67 b. 1.96 C. 1.645 d…

A: Given that  Sample size n =50 Level of significance =0.025 NOTE:- According to bartleby guidelines…

Q: Given the function fx,r(x,y) ) = {(x² + y²) / 8 [(x² + y²)/8π x² + y² <b elsewhere 0 (a) Find a…

A:

Q: 10. The figure shows the counts of earned degrees for several colleges. The level of degree and the…

A:

Q: 4. A large greenhouse has developed a new plant. They are interested in how the plant grows under…

A:

Q: The average GPA of a high school is 2.86. Suppose that the population is normally distributed with a…

A: 4. The provided information is x¯=2.86σ=0.7n=8α=0.01 The null and alternative hypothesis…

Q: Two different types of injection-molding machines are used to form plastic parts. A part is…

A: Claim : both machines produce the same fraction of defective parts.

Q: We discuss how to test for an association between two categorical variables in Section 6.8. A…

A: Formula : Expected frequency = ( Row sum)(column sum)/ grand sum

Q: Construct a 99 percent confidence interval for the average salary of the population of public school…

A: It is given that  Sample mean = 31578 Sample standard deviation, s = 4415 Sample size, n = 100…

Q: The mean weight of male dancers in a local modern dance company is at most 188 lbs. Express the null…

A: Given the mean weight of male dancers in a local modern dance company is at most 188 lbs. We have to…

Q: 4 At the School fête, few people have entered any of the 24 meat raffles, so to support the school,…

A: Let X be a random variable representing the number of raffles won by Larry out of the total 24. Let…

Q: 4. White blood cell (WBC) count per cubic millimeter of whole blood has approximately the N(7500,…

A: Given : White blood cell (WBC) count per cubic millimeter of whole blood has approximately the…