Which feature makes Predictive/Prescriptive analytics differ from descriptive analytics? O High cost in descriptive analytics. High complexity in descriptive analytics. O Use of Tables, graphs, or numerical summary tools. Measure of reliability for the inference

Q: A measurement of fluoride ion in tooth paste from 5 replicate measurements delivers a mean of 0.14%…

A: Given that n=5, x̄=0.14, s=0.05

Q: Based on historical data, your manager believes that 26% of the company's orders come from…

A: Given that  Population proportion p=0.26 Sample size n =73

Q: City University has both a men's and women's lacrosse team. Both teams play their games vs. other…

A: A and B are two events such that P(A),P(B)>0. The conditional probability of A given that B has…

Q: The average annual cost (tuition, fees, and room and board) at four-year private universities rose…

A:

Q: In a science fair project, Emily conducted an experiment in which she tested professional touch…

A: given data select either right hand or left hand . no. of trials (n) = 352no. of favorable outcomes…

Q: 4. On average, the number of pumpkin spiced lattes ordered at a local coffee shop during the month…

A: 4. The average number of pumpkin spiced lattes ordered at a local coffee shop during the month of…

Q: You wish to estimate, with 95% confidence, the population proportion of U.S. adults who want more…

A: At 95%  confidence level critical value is 1.96 by excel

Q: Erik Red is a player for the Arizona Snowflakes in the National Foosball League. The league has 27…

A: Given Information: The league has 27 teams, each with 72 players. Every week, 10 players per team…

Q: The Trial Urban District Assessment (TUDA) measures educational progress within participating large…

A: The reading test scores of fourth graders by TUDA. The basic level of reading is 208 for fourth…

Q: The president of Doerman Distributors, Inc., believes that 30% of the firm's orders come from…

A: The question is about sampling dist. of proportion Given : Popl. prop. of firm's orders come from…

Q: The data in the accompanying table represent the heights and weights of a random sample of…

A: The data table provided in the question is as follows : Height Weight 75 227 75 195 72 180…

Q: If Z~N(0,1), then what is the probability that Z is between 2.60 and 2.83? You may use Excel. Enter…

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

Q: 1. Use the ungrouped data that you have been supplied with to complete the following: (a) Arrange…

A: Given data: 4.9 4.4 4.5 4.7 4.4 4.5 4.9 4.7 4.5 4.6 4.6 4.5 4.5 4.5…

Q: Ten women participate in a study. A physical therapist measures the women's waistlines before and 8…

A: This hypothesis test is used to determine whether a rigorous exercise program is effective in…

Q: In a one-sample t-test with sample size n = 16, observed statistic t = -1.62, and estimated standard…

A: Given, t=-1.62n=16SE=5.67 To find the effect size in terms of the proportion of variance explained.

Q: 1.184 and a standard deviation of 0.587. (b) Earthquakes above 4.0 will cause indoor items to shake.…

A: Given that.   X~N( μ , ?)   μ=1.184 , ?=0.587   Z-score =( x - μ )/?

Q: How many scores are represented in the blue section of the boxplot? Answer:

A: Introduction A box and whisker plot is a graphical representation of the 5-no. summary of the data.

Q: Below are the scores for Exam 2 82  84  83  80  76  86  77  96  81  83  78  70  76  80  86  89  93…

A: in standard normal table look into first column 0.3 and then see 1st row 0.03 the intersection…

Q: The grade point average of four randomly selected college students is recorded at the end of the…

A: The data shows the points of four randomly selected college students.

Q: Based on the three graphs below, what can you conclude about the population from which the sample…

A: The objective is to conclude about the population from which the sample was drawn, based on the…

Q: Consider you recently took an exam in your history class and your exam has been returned to you. The…

A: Given: Consider you recently took an exam in your history class and your exam has been returned to…

Q: Refer to the accompanying data display that results from a sample of airport data (13.046,22.15)…

A:

Q: h(x,y) = 6xey + 8y + 2 2²h a²h дуг 2²h дудх 2²h ?хду =

A:

Q: Assume that when adults with smartphones are randomly selected 57% use them in meetings or classes…

A: The given sample size is 7 and probability of randomly selected adult use smartphones in meetings or…

Q: A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed…

A: From the provided information, Sample size (n) = 7 Confidence level = 98%

Q: A population of values has a normal distribution with �=17 and �=56.9. You intend to draw a random…

A: Given that  Population mean =17 Population standard deviation =56.9 Sample size n =227

Q: M be the first sample, and the temperature at 12 AM be the second sample. Find the values of d and…

A: *Answer:

Q: The following factors are being considered in identifying the factors that are associated with labor…

A: To use a Likert scale for job satisfaction as an indicator variable, we need to convert the Likert…

Q: A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table…

A: Given Information: Carpeted Uncarpeted 9.6 12.2 9.9 10 9.1 9 9.5 10.8 8.9 10.1 8.9…

Q: Women's Rights Using your chosen topic, perform the following tasks. Imagine you are a…

A: In this case, the research topic is Women's Rights.

Q: Let X be a random variable that follows the normal with mean of 80 and variance 49. d) Find ?x such…

A: Given that, The random variable X is normally distributed. X~N(μ=80,σ2=49) The standard deviation is…

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean and…

A: Answer:- Given standard normal distribution graph is,

Q: The store clerk is surprised when 3 of the friends win a prize. Is this group of friends just lucky,…

A: Let X be the random variable that the no. who wins a prize. The prob. dist. of X is, x p 0…

Q: Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the…

A:

Q: b) Run an ANOVA test using the statistical software package of your choice to compare solvability of…

A: First enter the data in Excel.

Q: Describe a test or measure that is low in reliability. How can you know that it has poor…

A: The correlation coefficient tells us about the relationship between two variables whereas…

Q: The latest SAT scores are out. The average SAT score for graduating seniors is 1059, and the…

A: We have given that Mean(µ) = 1059Standard deviations (σ) = 210

Q: A simple random sample of 90 items from a population with = 9 resulted in a sample mean of 35. If…

A: The population standard deviation is given as, σ=9. For the considered 90 sampled items (i.e.,…

Q: 6. The table shows the variation of the relative thermal conductivity k of sodium with temperature…

A: This question involves finding the quadratic that fits the data of the relative thermal conductivity…

Q: Unstack the data from the variables Cr. hours and Age into two columns labeled Full time and Part…

A: Given data is Cr.Hrs. Age 7 36 9 17 9 19 9 21 12 20 6 20 6 22 12 21 9 21 6 16…

Q: A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose…

A: Given data :  Sample size n = 1077 Mean = u = 1.09 Sd = 0.52 95 % of CI = 0.95 1 - 0.95 = 0.05…

Q: The following sample of pairs (x, y) is collected: x 0 1 0 5 5 5 6 y 2 1 2 5 3 4 Find the…

A:

Q: Suppose the true proportion of voters in the county who support a restaurant tax is 0.47. Consider…

A: Given: Sample size n = 203 Proportion of voters in the county who support a restaurant tax p =0.47

Q: In a population of size N = 4, three individuals have z-scores -1, 0, and +2. The population has…

A: given data, N=4μ=15σ=3three Z scores are -1,0,+2  unstandarized fourth score is =?

Q: Use the given values of n and p to find the minimum usual value μµ - 20 and the maximum usual value…

A: The question is about distribution Given : n = 1042 p = 0.80   To find : Min. usual value and Max.…

Q: If x is a binomial random variable, compute P(x) for each of the following cases: (a) P(x ≤ 4), n =…

A: Considering the random variable x is a Binomial random variable, i.e., the variable essentially…

Q: Let's say the population mean (µ) is 20 with a standard deviation of 1 for a particular…

A: given data normal distributionμ = 20σ = 1n = 100expected sample mean = ?

Q: Baby elk and their chances Biologists estimate that a randomly selected baby elk has a 44% chance of…

A: 5) Answer:- Let X = the number who survive to adulthood. The probability distribution of X is shown…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Here the given information is Assume that a randomly selected subject is given a bone density test.…

Q: The time it takes me to wash the dishes on a randomly selected night is uniformly distributed…

A: Given that  X~U(a,b) a=8 , b=17 Pdf of uniform distribution is.  f(x)=1/(b-a)  , a<x<b