he data represent the​ time, in​ minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the​ table, include the​ midpoints, relative​ frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least​ frequency? 20     22    29    2     3 19     19    4      10   20 29     13     25    17    28 22     4       13     0      9

Q: The scores on the SAT verbal test in recent years follow approximately the normal distribution…

A:

Q: Given a test in which there is overlap of the test results for diseased and non-diseased individuals…

A: Solution  Given That  A test in which there is overlap of the test results for diseased and…

Q: the pairwise multiple comparison is conducted through? a. equality of variances b. correlation c.…

A: The objective is to find the correct option from the given choices.

Q: A soft drink vending machine is adjusted so that on average, it will automatically dispense 200 mL…

A: Given,sample size(n)=35sample mean(x¯)=195population standard deviation(σ)=14α=0.05

Q: What is the normal duration of the project in weeks? *

A: The provided information is  Activity Preceding Activity Normal duration A None 5 B A 4 C A…

Q: Let the 2-dimensional random variables (X, Y) have joint uniform density function f(x,y) = ²,0≤x≤3,…

A:

Q: software

A: The confidence interval I1,I2,...Im for parameters θ1,θ2...θm In the analysis of variance problem…

Q: The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore…

A:

Q: You may need to use the appropriate technology to answer this question. Consider the following…

A:

Q: A mobile company is innovating a new mobile phone and is interested how long it will take for a…

A: Given: Population standard deviation σ = 15 Sample size n = 35 Sample mean X > 35 Formula Used:…

Q: A researcher believes that about 73% of the seeds planted with the aid of a new chemical fertilizer…

A: Given,n=170p=0.73mean(μ)=npmean(μ)=170×0.73=124.1standard deviation(σ)=np(1-p)standard…

Q: 22 17 29 36 42 24 24 25 99% CI for the standard deviation of the coating layer thickness…

A: Given 22,17,29,36,42,24,24,25

Q: what is reggresion analysis

A: Linear Regressions:- Regression analysis is a form of predictive modelling techniques that identify…

Q: Find the area of the normal curve of: a) for z > -1.34 b) to the left of z=-2.92

A: To find: Find the area of the normal curve of: a) for z > -1.34  b) to the left of z=-2.92

Q: 3. Ophthalmic lens is used in optical device to enhance vision addressing the visual needs of the…

A: Confidence interval are used to examine the range where the population parameter can occur. It has…

Q: 1. A set of hypotheses is important before conducting path analysis because the analysis cannot…

A: Path analysis is a type of multiple regression analysis. It explain the relationship between the…

Q: A medical researcher wishes to see whether there is a relationship between a person’s age,…

A: Given data:   Age Cholesterol level Blood pressure Person 1 38 220 116 Person 2 41 225 120…

Q: 32. To determine the association between probiotics (g/L) and quality which of the following is(are)…

A: Correlation is the measure that used to determine the strength of the data set. It also used to…

Q: to check the normality test using shapiro-wilk, if the p-valued is more than 0.05?

A: Shapiro-Wilk Test H0: The population is normal Against H1: The population is not normal if p value…

Q: Ho: μ = 100 H₂: H 100 A sample of 65 is used. Identify the p-value and state your conclusion for…

A: a) Given data : sample size, n =65 sample mean, x̄ = 104 sample standard…

Q: (a) 0.05, 5 (b) xo.os,25. (c) Xa.o1.2s (d) xooos. 25 (e) x² 0.95, 25, 2 f) _x? X 0.995, 25 ܫܕܝܢܘܝܘܣ1

A: The Given value are for chi-square with right tailed distribution. We have to find critical values…

Q: Scores on the MCAT are approximately Normal with a mean of 25 and a standard deviation of 6.5. To…

A: Given Data : Population Mean,μ = 25 Population Standard Deviation,σ = 6.5

Q: The accompanying data were collected from a statistics class. The first row gives the variable, and…

A: The given data is from a statistics class. The objective is to identify the numbers 1 and 0 for the…

Q: In 2006, GSS asked about the number of hours a week spent byfemale and male. The1569 females had a…

A: Hypotheses for the test are given below:

Q: Ho: P = 0.20 H₂: P = 0.20 A sample of 400 provided a sample proportion p = 0.175. (a) Compute the…

A: Note: According to Bartleby guidelines, expert solve only one question and maximum 3 subpart of the…

Q: Write the statement showing the relationship between the two variables. Answer 3 and 4 sub units…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: It is better to Select one: the data-ink ratio, when presenting data in a graph. Stabilize Maximize…

A: The answer is option 2.

Q: Determine the values of the following quantities. (Round your answers to three decimal places.) USE…

A:

Q: In a convenient store, the number of tellers (X) busy with customers at 12:00 noon varies from day…

A:

Q: a. Calculate a point estimate of the population mean. 6.55 b. Calculate a point estimate of the…

A: a) The number of observations n is 20.

Q: Y hav density function f(y) = determine E(Y) and E(Y²) П (атв) ya-ı Г(а) ГСВ) (тузатво yo

A:

Q: b. The sample variance is an unbiased estimator of the population variance Is S² the MVUE of o2?…

A: b)Given that S2 is an unbiased estimator of population variance σ2.i.e., E( S2)=σ2Given that, Sample…

Q: The operation manager at a tire manufacturing company believes the mean mileage of a tire is

A:

Q: 47. What is the probability of observing an Mpi100 allele in Port Townsend, Washington with latitude…

A:

Q: 7.37. U₁, U₂ are independently and uniformly generated between 0 and 1 by a machine. Let X denote…

A: Given that: U1 and U2~Uniform0,1 Sum, X=U1+U2 Let Y = 1- U2

Q: newborn baby is classified as having Extremely Low Birth Weight (ELBW) if it weighs less than 1000…

A:

Q: A small regional carrier accepted 13 reservations for a particular flight with 12 seats. 6…

A:

Q: The amount of lateral expansion (mils) was determined for a sample of n = 8 pulsed-power gas metal…

A: here given  sample size  =  8  sample standard deviation  = 2.84 mils

Q: Write the statement showing the relationship between the two variables.

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: hundredth.) (b) If a family is selected at random, what is the probabilit that it generated less…

A: Given Data : Population Mean,μ = 17.8 Population Standard Deviation,σ = 3.9

Q: In an independent measures design, what test may we use to discover differences between three or…

A: Friedman's test is the answer.

Q: When using a Chi-square test, the expected frequency, E, has to be at least 5. State two possible…

A: When the Response is less than 5 then the we use the Fishers exact test  when the Response is…

Q: For an independent samples t-test, if n1 = 6, n2 = 6, t = 1.49, and your alpha criterion = 0.05…

A: For the t two-tailed test, given, n1 = 6, n2 = 6, t = 1.49 and alpha criterion = 0.05 The p value…

Q: Suppose in a certain state there were 40 tornadoes in the last 25 years. Using the Poisson…

A:

Q: Given are five observations collected in a regression study on two variables. x₁ 2 6 9 13 20 V₁9 19…

A: Solution-: Given data: X Y 2 9 6 19 9 7 13 26 20 21 We want to  (a) Draw the scatter…

Q: Two years ago a public health researcher found that 27% of American teens regularly vaped a…

A: Answer:- Two years ago a public health researcher found that 27% of American teens regularly vaped…

Q: Twelve workers at a production line were asked to take a special three-day intensive course to…

A: Solution-: Let, X=Number of years of experience and Y=Improvement (number of units per minute) We…

Q: e) Consider the information given above. Suppose that the number 10 was observed on 26 occasions out…

A: here given , Consider an thirteen-sided die where it is suspected that the number 10 is more likely…

Q: 4. Scatter plots and calculating correlation Suppose you are given the following five pairs of…

A: The scatter plot is,

Q: The data in the accompanying table were collected from a statistics class. The first row gives the…

A: Given : The data table includes following var. : Female, Commute distance, Hair color, Ring size,…