a) Sex & Sleep hours /weeknights Levene's Test for Equality of Variances t df Sig. (2-tailed) Sleephours/ Equal variances assumed weeknights Equal variances not -.913 669 .362 -.911 657.048 .363 assumed

Q: QUESTION 18 Conducting a one sample z-test rather than a paired samples t-test (same group tested…

A: We have given the following statement.

Q: Problem 2: In an experiment of three groups of mothers with at least five kids and at most seven,…

A: Solution:  Given information: k= 3 groups  Each group has 5 observation n= n*k= 5*3= 15 total…

Q: Difference of the following range spread (25%, 40%, 70%, and 120%) for Midpoints: D% 70% 120%

A: *Answer:    1) For the midpoint 18000 Range spread= 25% =0.25 Minimum=Midpoint1+range spread2…

Q: A researcher claims that the average wind speed in a certain city is 8 miles per hour. A sample of…

A:

Q: * The probability that both are white (1

A: here given bag contains 5 white ball and  5 black balls  , total 10 balls  another bag contains 3…

Q: Two cards are drawn from a deck of 52 cards. Find the following probabilities. a) Find the…

A:

Q: Results that are significant indicate that the data has proven your hypothesis. O True O False

A: Solution: The main purpose of hypothesis testing is to proven the alternative hypothesis Ha.  We are…

Q: Calculate the z-statistical and the p-value for each of the following. Write your answer on a…

A:

Q: 10. Consider the weighted voting system [5: 3, 2, 1, 1). a) Which players are critical in the…

A: Solution: From the given information, the weighted voting system is [5: 3, 2, 1, 1].

Q: 4. At the end of one day a clearing house member is long 100 contracts, and the settlement price is…

A:

Q: QUESTION 19 Results that are significant indicate that the data has proven your hypothesis. True O…

A: According to information in this question We need to identify the correct answer

Q: Assume S = $45, σ = 0.25, r = 0.05, div = 0.0, on a 45 strike call and 55 days until expiration.…

A:

Q: The psd of X(t) is given by (1+@² for | @|<1 Sxx (@) otherwise Find the autocorrelation function.

A:

Q: Mean                               64.76563

A: From the given data, we have mean=64.76563 median=65.5 mode=53 skewness coeffcient=  -0.21671

Q: (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older…

A:

Q: swer the questions that follows. 1. Illustrate the following measures of position

A: Quartiles are those values that divide the frequency into four parts when the values are arranged in…

Q: A researcher wishes to see if the mean number of days that a basic, low price, small automobile sits…

A: The random variable X follows normal distribution. We have to find the test value. This is one…

Q: Q2) A bag contains 5 white balls and 5 black balls; another contains 3 white balls and 7 black…

A:

Q: determine the following probabilities.   ​a) ​ P(z>1.31​) ​b) ​ P(z>−0.38​) ​c) ​ P(−1.58≤z≤−0.63​)…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: 6.25 We have seen a number of theorems concerning sufficiency and related concepts for exponential…

A:

Q: The concentration of a certain active agent in a liquid form of a pesticide must not exceed 12 parts…

A:

Q: Number of Cigarettes Smok 1-14 15-34

A: #   wear seat belts  dont wear seat belts total 0 188 160 348 1-14 27 23 50 15-34 41 34 75…

Q: A² sin(@,t) and (b) Ryy(T) 2 Find the cross power spectral density. if (a) Rxy(T)= -cos(@T). %3D

A:

Q: You are buying 10 t-shirts and there are 8 different colors to choose from. How many ways can you…

A: Probability A probability provides the possibility of occurring an event. For example, A school team…

Q: A study discovered that Americans consumed an average of 13.2 pounds of chocolate per year. Assume…

A: Given Mean=13.2 Standard deviations=3.2

Q: (a) Suppose that in a random sample of 466 graphics from the annual reports of United Kingdom firms,…

A: ,

Q: following statements 4. A researcher wishes to determine whether the average age of people in a…

A: For each given situation in test B, we need to determine the hypotheses, test statistic and…

Q: Many people believe that criminals who plead guilty tend to get lighter sentences than those who are…

A: Solution:- Given data    Guilty Plea Not guilty plea Total Sent to prison 426 58 484 Not sent…

Q: Choose the correct answer. Answer it all.   3. If the alternative hypothesis, HA : μ≠μ_x the…

A: In the given problem we have to answer the following questions. 3. If the alternative hypothesis, HA…

Q: Nhat is the company's expected value for each warranty sold?

A: HERE USE GIVEN INFORMATION AND EXPECTED VALUE FORMULA

Q: QUESTION 20 "When running at-test, it is essential that you select the right one for your…

A:

Q: f a company’s mailings 0.56% are returned because of incorrect or incomplete addresses. In a mailing…

A: Given that  Of a company’s mailings 0.56% are returned because of incorrect or incomplete addresses.…

Q: At a bus stop, there are two buses available (bus numbers 1 and 2). For i = 1, 2, the waiting time…

A:

Q: For questions 5-8. In a certain barangay, Local Government Unit (LGU) distributes "ayuda" benefits…

A:

Q: Use multiple linear regression to fit the following tabulated data: x1 4.5 6. 75 19 12 x2 6. 8.5 11…

A:

Q: (2) The real part of Syy (@) and the real part of Syx (@) are even functions of o, i.e., Re[Sy (@)]…

A:

Q: The lifetime in hours of a certain component of a machine has the continuous probability density…

A: Given the continuous probability density function of the lifetime in hours of a certain component of…

Q: In a certain experiment, 50 ECE graduating students are selected randomly and their time to finish a…

A:

Q: A CD case contains 10 jazz albums, 4 classical albums, and 2 soundtracks. Choose 3 at random to put…

A: Given that  A CD case contains  Jazz albums = 10 Classical albums = 4 Soundtrack = 2 Total = 10+4 +2…

Q: The probability that both (2 : are black is

A: here given  in first bag : 5 white , 5 black balls    , total 10 balls  in 2nd bag : 3 white , 7…

Q: Assume the time required to pass through security at a particular airport follows the continuous…

A:

Q: The psd of X(t) is given by [1+ @? for | @|<1 Sxx (@) otherwise Find the autocorrelation function.

A:

Q: in the private and public schools in BARMM. A random sample of 100 teachers in private schools…

A:

Q: b) Suppose that your bank is considering investing in a one-year project. The investment will cost…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Question All maximum possible random samples of size 4 are drawn from the finite population…

A: Given that, Populations are 2,4 Population mean and standard deviation are calculated as follows:…

Q: A group of research students wants to determine whether there is a correlation between the number of…

A: From the provided information, Sample size (n) = 10 x y 6 3 15 6 30 15…

Q: If, in a (two-tail) hypothesis test, the p-value is 0.0803, what is your statistical decision if you…

A: Given P value=0.0803 Alpha=0.03

Q: Suppose that 4% of all TVs made by W&B Company in 2015 are defective. If eight of these TVs are…

A:

Q: I know how to do the first part, I am curious how to get the 95% confidence interval on part 6.

A:

Q: The test scores of 32 students are listed below. What data value marks the 40th percentile? 32 37 41…

A: Test scores is 32. Percentile: 40%. Percentile value=Position at the product of number of test…