Find the sample standard deviation. Round to the nearest tenth 15 42 53 7 9 12 14 28 47 O A. 15.8 B. 29.1 C. 17.8 D. 16.6

Q: sample of 40 observations is selected from a normal population where the population variance is 625.…

A: According to the given information in this questionThere are more than three subparts according to…

Q: 1. In a given population 30% of the population choose going to theatre watch movies a. Find the…

A: 30% of the population choose going to theatre to watch movies i.e., Sample size

Q: Consider the following data. Period 1 2 3 4 5 Rate of Return (%) -6.0 -8.0 -4.0 2.0 5.4

A: Given:PeriodRate of Return (%)1-6.02-8.03-4.042.055.4Total-10.6

Q: According to Nielsen//NetRatings, the average visitor to the American Greetings Website spends 11.85…

A: The sample size is 20The sample mean is 11.85 minutesThe population standard deviation is 3.0…

Q: omially distributed data set, approximately what proportion would be below the mean and also within…

A:

Q: Construct a probability distribution for the given frequency distribution. (Hint: There were 288…

A: A frequency distribution table is given.

Q: 1. A bakery sells Cheese cake. The weights of cakes are normally distributed with a mean of 85 grams…

A: Normal distribution

Q: A gambler belives that he has learned to predict the color of a card befroe it is drawn from the…

A:

Q: A large car company states that a brake system will function properly for 5.1 years with a standard…

A: According to the given information in this questionWe need to find the conclusion of the test

Q: Assume X has a binomial distribution. Use the binomial formula, tables, or technology to calculate…

A: (a)The probability of P(3≤.x≤6).is obtained below as follows:Let X denotes the random variable which…

Q: An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city…

A: Population mean, Population variance, Confidence level, Margin of error,

Q: Practice exam need to figure out how to use excel or megastat to solve   A sociologist wishes to…

A: From the given info, , , and .

Q: Consider the situation of a mass layoff (i.e., a factory shuts down) where 1,200 people become…

A: Initial Distribution = [0 1,200]States - Employed (E) and Unemployed (U)probability of remaining…

Q: 1. If the probability that a relationship will end in a breakup within 1 year is 0.4. Find the…

A: Probability that a relationship will end in breakup within 1 year = p = 0.4sample size(n)=10X =…

Q: Imagine that we are studying an area with bee hives and we have been told that the mean number of…

A: Mean number of bee hives per acre = 4.5X = No. of bee hives per acreX follows poisson…

Q: sson distribution with λ = 7.3 and x = 5. me probability distribution identified above to calc e…

A: X~Poisson (λ)λ=7.3  , x=5

Q: the population is half male and half female, what is the probability that a random group of 11…

A:

Q: Write the claim as a mathematical statement. Ο Α. μ = 17,000 O D. μ ≥ 17,000 Choose the correct null…

A: It is given that Claim: The mean daily attendance at the park is 17000 people.

Q: a. Specify the competing hypotheses in order to determine whether some differences exist between the…

A: The objective is to define the null hypothesis and complete the ANOVA table.

Q: The probability of the closing of the ith relay in the circuits shown is given by pi. Let P₁= 0.6,…

A: Current will flow from A to B if any one of the circuit is closedFor part a, there are 2 possible…

Q: A Markov process is given by the rule Vn+1 = Av, where A is the stochastic matrix state vector after…

A: Initial Vector V0 =Stochastic Matrix A = Eigen vector of A =  Rule: Vn = A Vn+1

Q: The number of initial public offerings of stock issued in a 10-year period and the total proceeds of…

A: Issues, xProceeds, y415190614582946868143357481304364836590737765385662028767101451973174415227934

Q: A food company testing a new method for the analysis of the polyunsaturated fat content of various…

A: Given a food company testing a new method for analysis of polyunsaturated fat content of various…

Q: Joe computed a 95% confidence interval for u from a specific random sample. His confidence interval…

A:

Q: time job, which of the following methods is most likely to lead to a sample that is the most…

A: The objective is to identify the correct sample, that may be considered as representative of all the…

Q: A gambler belives that he has learned to predict the color of a card befroe it is drawn from the…

A: ANSWER:Let's go through the detailed steps to test the hypothesis using the sign test.Step 1:…

Q: Complete parts (a) through (c) using the following data. Row 1 1 1 Row 2 94 82 LM 50 Input the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: On a grocery store shelf, there are 6 cans of corn and 9 cans of peas. If one can is selected at…

A: Given information:corn cans = 6Peas cans = 9 Total cans = 6 + 9= 15

Q: The mean starting salary for nurses is 67,694 dollars nationally. The standard deviation is…

A: The mean starting salary for nurses is 67,694 dollars nationally. The standard deviation is…

Q: 6) Consider the random variable Z₂ = cos (2 * π * Yn/n) where Yn is binomial(n,p) What is its…

A: The question focuses on analyzing the properties of a random variable defined as Zn, which is the…

Q: Let's stock return is distributed with µ = 16% per annum, o = 20% per annum S0 = 40, T = 6 month.…

A: Confidence level = 95%

Q: 1. In a psychological study of distance perception, introductory psychology class volunteers were…

A: Hi thank you for posting this question,  since you have posted multiple question as per our policy…

Q: Sample No 2 3 4 5 6 7 Total 8 (X) 18 15 19 21 17 20 19 129 24 Sample No 1 2 3 4 5 6 7 Total 8 X² 324…

A: Sample NoXZ113502102031520416805952617007153981176

Q: A restaurant has tracked the number of meals served at lunch over the last four weeks. The data show…

A: Given a restaurant has tracked the numbers of meals served at lunch over the last four weeks.

Q: ly Sales of People Magazine         Store 1 Store 2 Store 3 Store 4 101 97 85 102 107 73 91 114 104…

A:

Q: Please do not give solution in image format thanku

A: the expected proportion of students who received special accommodations as well as the standard…

Q: What the three trend lines and seasonal variation information shown in Chart and Table 1 indicate…

A: Average seasonal variation for Q1: -10%Average seasonal variation for Q2: +35%

Q: 2. In a counseling session against drug addiction, 8 participants are to be seated in a circular…

A: Please note that as per our guidelines if multiple questions are posted by the student we can answer…

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: Given,  Z follows the standard normal distribution.   Determine the value of c so that the following…

Q: A test has been developed to measure the attitudes of executives of a large company towards…

A: For male:The sample size, ; The sample mean, ; The sample standard deviation, .For female:

Q: Suppose that the probability density function (p.d.f.) of the life (in weeks) of a certain part is…

A:

Q: Find the median. (2 decimal place) Year of Experience 1-4 5-8 9-12 13-16 17 - 20 21 - 24 25 - 28…

A: Class intervalfrequency(f) 1 - 4165 - 8209 - 122813 - 162417 - 201621 - 241125 - 285n = 120

Q: Suppose that a certain college class contains   52 students. Of these,   29 are juniors,   33 are…

A: Total number of students is .The no. of students, who are juniors is .The no. of students, who have…

Q: If the probability density of a random variable is given by 0 < x < 1 1<x<2 elsewhere X f(x) = {2-x…

A:

Q: Need to know how to solve using excel or megastat   The following table shows the number of cars…

A: Insert the data set in excel as follows:The objective is to set the linear regression equation for…

Q: The mean starting salary for nurses is 67,694 dollars nationally. The standard deviation is…

A: Suppose the random variable x defines the starting salary for nurses.

Q: Observed Counts 25-34 35-44 Age 45-54 (years) 55-64 65 or older Total did not complete high school…

A: The observed count table for the variables age (years) and education is given.

Q: 10. z Scores: Fawns Fawns between 1 and 5 months old in Mesa Verde National Park have a body weight…

A: Fawns between 1 and 5 months in the national park have a body weight that is approximately normally…

Q: Comparing the three graphs below, which of the following statements are true? 1. The dotplot that…

A: A dot plot is a graphical representation of data whether the data values are plotted as dots. The…

Q: The age of children in kindergarten on the first day of school is uniformly distributed between 4.91…

A: Answer Given a =4.91b =5.77