Two variables have a linear correlation of 0.97. Which of the following is true? a. The variables share a strong, positive correlation b. The variables share a moderate, positive correlation   c. The variables share a strong negative correlation   d. The variables share a moderate, negative correlation

Q: b. The null and alternative hypotheses would be: Ho: μî Select an answer H₁: με Select an answer c.…

A: The following information has been given: X 60 56 63 60 72 63 64 59 59 64…

Q: Q1) d- for the following equation, the value :of n is (n + 1) P3 = nP4 5 O 4 2.5 O 1 O none of all…

A: Given,P3n+1=P4nand we know that Prn=n!n-r!

Q: The time it takes me to wash the dishes is uniformly distributed between 12 minutes and 19 minutes.…

A:

Q: An investment analyst collects data on stocks and notes whether or not dividend were paid and…

A:

Q: You must estimate the mean temperature (in degrees Fahrenheit) with the following sample…

A: From the given data, x x2 118.1 13947.61 93.8 8798.44 87.9 7726.41 31.5 992.25 100.6…

Q: A university department chair believes that the afternoon section of a large survey class has a…

A: The answer is attached below,

Q: 09, 99, 122, 84, 103. Let u denote the average gas usage during January by all houses in this area.…

A: Solution Given That A random sample of 10 houses in a particular area, each of which is heated with…

Q: As determined from long experience, the number of automobiles rented per hour, X, at the Rent-A Car…

A: Solution-: Let, X=Automobiles Rented and P(X)=Probability  We have following table: X P(X) 0…

Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

A: Given that when estimating the mean age of a population of 5000 individuals, a simple random sample…

Q: 1. A population has the numbers 2, 4, 6, 8, 10, 12. Then two samples are taken at random and without…

A: Population is the whole observations that are undertaken for the study. It's unknown value is known…

Q: For a standard normal distribution, find the z-value that goes with a right tail area = 0.1789

A: Given Right tail area=0.1789

Q: Regardless of age, about 20% of American adults participate in fitness activities at least twice a…

A: The provided information is  n=100x=15α=0.05The proportion is p^=xn=15100=0.15a.The null and…

Q: Determine the size of the sample space of a lottery drwing consists of 5 randomly drawn numbers from…

A: Numbers available 1 to 14.  Select 5 numbers.order matters.repeatation allowed. Find size of sample…

Q: CMNO4 1.00 ppm 2.50 ppm 5.00 ppm 7.50 ppm 10.00 ppm 15.00 ppm 20.00 ppm 25.00 ppm unknown Absorbance…

A: Solution: Let X be the CMnO4- and Y be the absorbance at 580 nm. From the given information,

Q: 69 78 87 96 105 114 Based on the graph of this normal distribution, a. The mean is b. The median is…

A: Given graph is

Q: What is the interpretation of the coefficient attached to the Cost ($) variable?  Profit ($) = 100…

A: Given that: The linear regression model is: Profit$=100-0.9Cost$

Q: A- 60 peoples ask what their favorites color, the answers are shown in table below. Draw a pie chart…

A: 60 peoples ask what their favorites color.

Q: Three prisoners, A, B, and C, are held in separate cells. Two are to be executed. The warder knows…

A:

Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

A: here given , population  = N = 5000  sample size  = n  =  50

Q: In a study of treatments for very painful "cluster" headaches, 151 patients were treated with oxygen…

A: Given Information: Oxygen treatment group: Sample size n1=151 Successes x1=110 Placebo: Sample size…

Q: The average age of dogs owned by residents in a small retirement community is 7.2 years with a…

A: The mean is 7.2 and the standard deviation is 1.2.

Q: A dietician selected a random sample of n = 50 male adults and found that their average daily intake…

A: we know;sample size(n)=50sample mean(x¯)=756 grams/dayand sample s.d.(s)=35 grams/dayfor confidence…

Q: xt=0xt-1 + Et +0€t-1 assuming that ø| < 1, and E(?) = 0², E(et, &s) = 0 ts.

A:

Q: Engineers must consider the breadths of male heads when designing helmets. The company researchers…

A: Given Mean=5.6 Standard deviations=1

Q: Solve the following problems: (a) An observer has taken few observations of an element, now he wants…

A: From the given information, The individual readings in 0.02 min(X) are: 6, 7, 5, 8, 5, 7. X X^2…

Q: Let F be the co

A: Here,for G∈F and △∈D={cG1-G2:CER,Gj∈F, j=1,2}. Then, TG+t△-TG=∫G+t△z-ydG+t△ y-∫Gx-ydGy…

Q: A forward contract exists for a unit of two-year government securities with delivery to take place…

A:

Q: Use a standard normal distribution table to find the percentage of area above the standard normal…

A:

Q: Your job is planning on expanding its benefits package to include some amount of student loan…

A: The question is about confidence interval for popl. mean Given : No. of people under survey ( n ) =…

Q: X y 4 13 7 10 12 9 15 7 24 4

A: The given data is x y 4 13 7 10 12 9 15 7 24 4

Q: The table below gives the amount of time students in a class studied for a test and their test…

A:

Q: a. The t-values are the proportions of the areas in two tails of the t-curve are also called…

A: a.The t-values are the proportions of the areas in two-tails of the t-curve are also called Critical…

Q: A simple random sample of 41 Veterans Day celebrations was selected and the number of children…

A: To find:  The point estimate of the population mean.

Q: Q2) The following data represents the results of an experimental test, if the relation between…

A: The given data is: .

Q: An organization surveyed 536 high school seniors from a certain country and found that 284 believed…

A: Given: n=536 x=284 H0:p=0.5 H1:p&gt;0.5

Q: Find a raw score. What is the raw score? (

A: Here given,  The mean for a data set is 66. The standard deviation is 2 , and the z score is 0.55.

Q: A survey is commissioned to study the weight of NFL players at certain positions.  Of the 188 active…

A: Solution-: Given: n=36, x¯=179.8, σ=4.1, c=0.05 We want to find margin of error =?

Q: Let's suppose you draw random samples of same size from same population and compute 95% confidence…

A: The objective is to define the correct assumption regarding the population mean confidence interval…

Q: * Q1) d- for the following equation, :the value of n is En P4 (n + 1) P3 = 5 O 4 O 2.5 O 1 O

A:

Q: Which one of the following give the amplitude and period for the graph shown below? -2 MA

A: Given graph is :

Q: CHALLENGE ACTIVITY 402562.2600368.qx3zqy7 8.1.3: Hypothesis testing for two population means…

A: Given that: The sales manager believes that customer spending per visit with a sale is lower than…

Q: A certain person considers that he can drink and drive: usually he believes he has a negligible…

A:

Q: Q4) Data of 100 student scores was recorded in a statstistics exam. The arithmetic mean and standard…

A: Given n=100, mean x̄=60, standard deviations σ=15  We will tell you which one is the correct choice.

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…

A:

Q: Do these facts reveal a significant difference between the two dis- tricts (use 5% level)?

A:

Q: X 2 1 0.05 0.05 0.05 0.10 0.00 0.20 g (x) 0.10 0.35 e. Determine the standard deviation of X. f.…

A: Marginal density function of X is   X  1 2 3 g(x)    0.10   0.35  0.55 Marginal density…

Q: Q5) A college class contains boys and girls students together. The number of boys in the class is…

A: Given: The choosing ways ratio of boys to girls =514. To find: To find the number of ways if half of…

Q: Determine the range, mean, and standard deviation of the data set. (9,5,9,17,17,16,3,8) The range is…

A: Given data set is 9,5,9,17,17,16,3,8sample size(n)=8

Q: Based on the information, what is the cumulative relative frequency for the 50.2% - 59.7% change in…

A: It is given that Cumulative frequency for class 50.2-59.7 is = 45 Total frequency = 50

Q: Finish times (to the nearest hour) for 60 dogsled teams are shown below. Use five classes.…

A: The shape of a Distribution The volume of summits in dispersion, as well as its symmetry, deviation,…