opinion male female total A percentage Mean Mediam Standard Deviation Minimum Maximum Agree B 11 8 19 35 C D G Strongly agree Disagree strongly disagree no decisive 5 5 10 16.7 5 6 11 13.3 E 5 4 9 16.7 4 6 10 18.3 H

Q: part c is wrong. please fix that!!

A: s=23.90 n=16

Q: Say we have a population parameter μ, and the 95% confidence interval for it is (-3, 10). What can…

A: From the provided information, 95% confidence interval is (-3, 10). Claim is µ = 11

Q: Write a sentence explaining what E(7) represents in this situation? What is that value?

A: From previous solustion we have : E(n)=10+5n

Q: The disturbance term in a regression model , captures: Some determinants of  that are left out…

A: A simple linear regression model is defined as: y=β0+β1x+ε where y is the dependent variable, x is…

Q: The U.S. Federal Seed Act establishes germination rates for various fruit and vegetable seeds.…

A: We have given that p̂ = 0.60 n = 12*10 = 120 Confidence level (c) = 95% = 0.95Significance level (α)…

Q: A monkey is given 12 blocks: 3 shaped like squares, 3 like rectangles, 3 like triangles, and 3 like…

A: Total blocks = 12  Square = 3  Rectangle = 3  Triangle = 3  Circles= 3  Order matters  If it draws…

Q: Please answer all the requirements in question B

A: The data is given on the waiting time in minutes from 15 customers during the hour. Sample size (n)…

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A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: c. Why can the normal distribution be used in part​ (b), even though the sample size does not…

A: The female pulse rates is normally distributed.

Q: For x1 discrete and 2 continuous, consider the population model Elyixi, 2i] = Bo + B1x1i + B₂x2 +…

A: In the given problem, we are presented with a population model and its corresponding error form. The…

Q: A store manager gathers some demographic information from the store's customers. The following chart…

A: The tota customer is 465

Q: Please no written by hand There are 100 members in the U.S. Senate. Consider the following two…

A: In order to select r no. of subjects from available n no. of subjects, where the order of the…

Q: 2) The marks obtained by nine Mathematical Studies SL students in their IAS (x) and their fincal IB…

A: First we have to find regression line…

Q: Please no written by hand solution and no img if mean is 19 and standard deviation is 1.61 if data…

A: normal distribution μ = 19σ = 1.61P(18.5<x<19.2) = ?

Q: 5. Assume all components function independently with the respective probability of failure in the…

A: The question is about reliability Given : Prob. of failure of comp. A = P ( A' ) 0.05 Prob. of…

Q: Find the range of each set of numbe 75,46,69,22,2 Range

A: 75,46,69,22,2

Q: with the total correlation between x and y = -.6 What's nature of total correlation between x and…

A: Given that: Corr(x,y)=-0.5Corr(z1,x)=0.5Corr(z2,x)=0.5Corr(z2,y)=0.2 We need to find the value of…

Q: I have translated the question in English After calculating the data of tail length for 30 female…

A: From the given information, the error SSCP matrix is   tail wing tail 2700 960 wing 960 1650…

Q: 5) We wish to test of hypothesis b. [ c. I d. [ Ho:μ1=p2 vs H₁ : μ₁ # 12. Use the significance level…

A: Note: As requested by the student, the answer is provided for Q2.5 only.  It is given that the…

Q: Find the three median x-values that would form the summary points of the median median line for the…

A: x y 1 15 3 17 6 18 7 18 9 20 15 24 16 23 22 26 23 27 28 30 33 32

Q: f(x) = C √x e 2√x for x 1 (a) Find c. (b) Identify the conditional distribution of X given X > 2 (c)…

A: As per the honor code and guidelines we are supposed to solve 3 subparts given f(x)=c2x e-x,   for…

Q: How many data points are presented in the histogram? 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 11

A: The number of data points that are presented in the Histogram is determined below as follows:   From…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution  Mean(μ)= 100Standard deviation(σ)= 15 We have to find the area between shaded…

Q: a delivery company that has a large fleet of delivery truck. The distance a truck travels in a day…

A:

Q: What is the z multiplier for a 70% confidence level? Round to the nearest 3rd decimal place, x.xXX

A: Confidence level=70%

Q: 4. The following results are obtained using 20 observations for a simple linear regression model yt…

A: The given hypothesis is H0:β=0 versus H1:β≠0.

Q: A wholesaler sells a guitar for $1,203.60. What is the percent markup based on cost if the…

A: Amount the wholesaler paid=$680 Markup cost=$1203.60

Q: A. During the initial phase of a cross-sectional study, a survey was conducted to determine the…

A: Prevalence: Prevalence refers to the proportion or percentage of individuals in a population who…

Q: The table showing the stock price changes for a sample of 12 companies on a day is contained in the…

A: The data for the price change for 12 companies are given.

Q: Chance errors are errors related to the variability in repeated measurements and change from…

A: Chance error, also known as random error is a type of measurement error that occurs due to the…

Q: 1. Suppose that X and Y have a discrete joint distribution function as follows: f(x, y) = = xy 36 0…

A: Let X and Y have a joint pmf

Q: part c is completely wrong. please provide correct answers!!

A: here we have to use excel  enter data in excel click on XLMiner analysis  click on t-Test:…

Q: What is the probability that the entire system works?

A:

Q: 2. The long-distance calls made by the employees of a company are normally distributed with a mean…

A: We have given that Mean(µ) = 6.3 Standard deviations (σ) = 2.2X ~ N (µ, σ )= N(6.3, 2.2)

Q: Researchers at Purdue University and Wichita State University found that airlines are doing a better…

A: There are two independent samples which are AirTran and Southwest. We have to test whether there is…

Q: Would it be unusual for the sample mean to be less than 2 ?

A: Would it be unusual for the sample mean to be less than 2 ?

Q: Question 2: You are interested in finding a 98% confidence interval for the mean number of visits…

A: x x2 24 576 8 64 7 49 21 441 24 576 5 25 6 36 5 25 15 225 6 36 21 441 17 289…

Q: If the study of the effect of body mass index (x) on the probability that someone will suffer from…

A: The dataset is given as- No. X Y 1 24 0 2 24 1 3 25 1 4 25 1 5 30 0 6 31 0 7 27 1…

Q: a. Use the data given to test the following hypotheses. (Round your answer to 2 decimal places, eg.…

A: Let μ be the population mean. Given that, Population mean (μ)=25Sample size (n)=57Sample mean…

Q: State the null hypothesis for a one-way ANOVA test if there are four groups. a.H0: none of the…

A: One-anova test is conducted to 4 different groups we need to state the null hypothesis

Q: n running a regression model with heteroscedastic errors, the estimators given by Weighted Least…

A: In running a regression model with heteroscedastic errors , the estimators given by weighed least…

Q: A normal distribution has a mean of 74.8 and a standard deviation of 4.5 . What percent of the data…

A: Mean(μ)=74.8 standard deviation(σ)=4.5

Q: A student claims that professional male basketball players are taller, on average, than college male…

A: Sample size of professional basketball players (n1) = 30 Sample size of college basketball players…

Q: A boxplot of the total number of COVID-19 infections by age group in England in December 2021 is…

A: Box-plot for the total number of COVID-19 infections by age ranges. When the median is in the middle…

Q: 6 7 You toss a 6-sided die 60 times and get the results shown in the table with a value of 11.8…

A: Null hypothesis: H0: That is, the die is fair. Alternative hypothesis: H1: That is, the die is not…

Q: A manufacturer of a computer chip has found that 7% of the chips that come out of production are…

A: a) probability of the chips that come out of production are defective(p)=0.07 sample size(n)=200

Q: At Westgate Community College, a survey was done to determine when students are available for class.…

A: It is given that out of total students, 52 would take early-morning classes, 85 would take…

Q: randomized, double-blind, placebo-controlled study evaluated the effect of the herbal remedy…

A: For the echinacea group: Sample size (n1): 337 Mean severity score (x̄1): 6.0 Standard deviation…

Q: The following data represent salaries, in thousands of dollars, for employees of a small company.…

A: The question is about detection of outliers Given :   To find : Does the last data value appea. to…

Q: Say we have a population parameter μ, and the 95% confidence interval for it is (-3, 10). Do you…

A: 95% is (-3, 10).