The data below are the temperatures on randomly chosen days during a summer class and the number of absences on those days. Find the equation of the regression line for the given data. Temperature, x 72 85 91 90 88 98 75 100 80 Number of absences, y 3 7 10 10 8 15 4 15 O A. ŷ= 30.27x + 0,449 O B. ý= 0.449x + 30.27 Oc. -0.449x - 30.27 O D. = 30.27x -0.449

Q: shoppers at the mall spend the same amount of money on average the day after Thanksgiving compared…

A: Given that    Sample sizes n1=56      , n2=43       Sample means X̄1= 145     , X̄2=123    , ?1 =46…

Q: According to your roommate, they have inherited a special coin from their great-grandmother which is…

A:

Q: article reported that for a sample of 54 kitchens with gas cooking appliances monitored during a…

A: Given that  Sample size n =54 Sample mean =654.16 Standard deviation =164.38

Q: A liquor wholesaler is interested in assessing the effect of the price of a premium scotch whiskey…

A:

Q: study is being conducted on two selected video streaming services offered in a city by Service…

A: Given

Q: (2) Consider the problem of testing H. : µ > 100 against Ho : µ = 100 at the a = 0.05 level, given…

A: Given: Null and Alternative hypothesis H0: μ=100Ha: μ>100 x¯=102.8s=10.9n=55α=0.05

Q: The following data represent the number of days absent per year in a population of six employees of…

A: We have given data are 1,3,5,6,7,10 As per given questions i have to solve population mean part only…

Q: The National Center for Education Statistics reported that 47% of college students work to pay for…

A: Given that n= 450 , p=0.47

Q: Suppose that you had collected the following sample data (in inches) on the diameters of tree…

A: Given that you had collected the following sample data (in inches) on the diameters of tree trunks,…

Q: Class Frequency Relative Cumulative Relative Cumulative Frequency frequency Frequency 40-44 2/43 =…

A: The provided information is Class Frequency Relative Frequency Cumulative Frequency Relative…

Q: Check My W The range for a set of data is estimated to be 36. a. What is the planning value for the…

A:

Q: A town recently dismissed 8employees in order to meet their new budget reductions. The town had 6…

A:

Q: Given that the equation of a regression line is y = 2x - 1, what is the best predicted value for y…

A:

Q: Can you help me figure this out? 345 adults are surveyed, 145 said they have previously ownded…

A: Given

Q: Turbo Generators PLC manufacture seven large turbines for a customer. Three of these turbines do not…

A:

Q: Determine whether or not the distribution is a discrete probability distribution and select the…

A: No the distribution given above is not a discrete distribution because

Q: Manual. 7.1 Seven students made the following scores on two quizzes, X and Y: 7. A B C DE FG 3 9 7 8…

A:

Q: In a 2° factorial experiment with two factors A and B and three replicates, the contrast of factor A…

A: Given:  2^2 factorial experiment with two factors A and B  with 3 replicates and contrast of A is…

Q: Assume the random variable X has a binomial distribution with the given probability of obtaining a…

A: given data n = 5 p = 0.6 X ~ Bin ( 5, 0.6) P(X=r) = nCr*pr(1-p)n-r

Q: Find the area under the standard normal distribution curve to the right of z=-0.25

A: Given that ; Z = - 0.25 By using the standard normal distribution we solve this problem.

Q: Sound it out: Phonics is an Instructional method in which children are taught to connect sounds with…

A: It is given that sample mean is 34.13 and the standard deviation is 23.19.

Q: * 00 C. Question 9 ニ: A national study report indicated that 20.9% of Americans were identified as…

A: For the given data P value =?

Q: 2.  Orders arrive at a Web site according to a Poisson process with a mean of 12 per hour.…

A:

Q: Price    Age    Mileage 13590    6    61485 13775    6    54344 22991    1    8246 15303    4…

A: The independent variables are Age, Mileage. The dependent variable is Price. We have to find the…

Q: distribution of the ages of 100 employees of a certain company: Ages of Employees Number of…

A: Here we have sorted data in ascending order Class Class Boundries Frequencyf cf 30 - 34 29.5 -…

Q: For Numbers 11 to 15: To determine the efficacy and lethal dosage of cardiac relaxants, anesthetized…

A: Solution: The ANOVA table is given.

Q: data survival O Sheet1 Regression Summary for Dependent Variable: survival (Sheet1 in data_survival)…

A: There are 3 independent variables. It is multiple regression model. We have to write the regression…

Q: A researcher wants to find out the number of students he needs to urvey in a school provided that…

A: Given : total no pf students in a school  N=5000 with margin of error e=5%  To find sample size…

Q: (Help me with part 4) se the sample data and confidence level given below to complete parts​ (a)…

A: From the provided information, Sample size (n) = 919 From which 594 said “Yes” that is x = 594

Q: Choose the correct answer. 6. The enrolment in high school this school year increases by 10%.…

A: For the given data Select the correct choices

Q: How large a sample should be selected to provide a 95% confidence interval with a margin of error of…

A:

Q: Listed below are the lead concentrations​ (in μg/g​) measured in different Ayurveda medicines.…

A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.05

Q: The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive…

A: Given: Sr. No. x y 1 4 18 2 16 18 3 20 23 4 13 37 5 22 28 6 21 27 7 15 24 8 20 29…

Q: The amount of water in a bottle is approximately normally distributed with a mean of 2.75 liters…

A: X~N(μ= 2.75 , σ= 0.045 ) Formula for Z-score Z=(X-μ)/σ

Q: The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 88…

A:

Q: Are couples that live together before they get married more likely to end up divorced within five…

A:

Q: STATE: A high‑school teacher in a low‑income urban school in Worcester, Massachusetts, used cash…

A: Given that  Sample size n =61 Favorable cases x =15 Sample proportion p^=x/n

Q: Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:…

A: Given that  Sample size n =500 Favorable cases x =410 Sample proportion p^=x/n  =410/500 =0.82…

Q: A study was conducted to determine the mean birth weight of a certain breed of kittens. Consider the…

A: The random variable birth weight follows normal distribution. We have to construct 90% confidence…

Q: The accompanying data are the number of wins and the earned run averages​ (mean number of earned…

A: From the given information, the equation of the regression line is y=-0.20x+6.58.

Q: International mathematics tests were administered in 10 countries chosen at random. In each country,…

A: We have given that the statement about to the sampling technique. Here, need to find out that the…

Q: When testing a new drug, scientists measure the amount of the active ingredient that is absorbed by…

A:

Q: The average GPA at the University of North Carolina is 3.2, with a standard deviation of 0.3. Assume…

A: Given that.   X~N( μ , ?^2 )   μ=3.2     , ?=0.3   Z-score =( x - μ )/?

Q: the table at the right. Can we conclude that the drug does reduce systolic pressure?

A: here perform hypothesis test

Q: An economist collects a simple random sample of 32 teachers salaries in Cititon, and finds a mean of…

A: There are two type of parametric test widely used, they are t test and z test. Both test follows the…

Q: Q2 A computer used by a 24-hour banking service is supposed to randomly assign each transaction to…

A:

Q: A survey of "How long does it take you to eat breakfast?" has these results: 012345678 9 10 11 12…

A:

Q: A student has taken a 50-point exam and wants to know how his score of 38 compares to the scores of…

A: It is given that Mean = 40 Standard deviation SD = 4 Score X = 38

Q: 56% of Americans are active voters. If a sample of 40 random Americans is selected, what is the…

A:

Q: Empirnal Ruk po oumal for Diatrisutions is simlan to Chelysheu's Thuorem.

A: Chebyshev's theorem provides a general idea about the dispersion of all the distributions, whereas…