Test the suitability of the data given in the picture for uniform distribution in the range (100, 200) at the confidence level of α=0.95. Please dont use excel. Use paper.

Q: For a confidence level of 90% with a sample size of 22, find the critical t value.

A: Given that, 90% confidence level Sample size = 22

Q: A researcher found a 95% confidence interval for the proportion of college students who believe in…

A:

Q: he number of square feet per house are normally distributed with an unknown population mean and…

A: Given information- Sample size, n = 33 Confidence level, C = 90% Significance level, α = 0.1 So,…

Q: help me

A: The objective of this question is to calculate the 95% confidence interval for the mean serum…

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The 95% confidence interval for the population slope was calculated as (0.751,0.947). Based on the…

A: We have given  The confidence interval for slope is given to be (0.751, 0.947)

Q: Find the critical t value to use in making a 99% confidence interval for a mean if the sample size…

A: Solution-: Given: n=7,α=0.01 We find the critical t- value to use in making a 99% C.I. for a mean

Q: The mean hours of worked for United Airlines pilots is 46 hours/month based upon a sample of 25…

A: Given: Sample size, n=25 Sample mean, X=46 hours Sample standard deviation, s=3 hours The level of…

Q: The effect of a medication can be evaluated by how many days the patient recovered. 10 patients are…

A: Test for Standard deviation: The χ2 Chi-Square test is used to test the significance difference…

Q: Assume that math test scores are normally distributed with a mean of 500 and a standard deviation of…

A:

Q: 1. Exercise: Medical researchers conducted a study to determine whether treadmill exercise could…

A: From the provided information,

Q: Find the Confidence interval for the true Population Mean if a sample of 50 has a mean of 26.8 and a…

A:

Q: median and IQR

A: IQR is the Interquartile range it is also called midspread or it denoted the middle 50% of the…

Q: Find the critical t value to use in making a 98% confidence interval for a mean if the sample size…

A:

Q: Find the critical t value to use in making a 90% confidence interval for a mean if the sample size…

A: Given, confidence level = 90.0 Need to find Critical value t

Q: A 95% confidence interval was found to be (14.312, 21.432). What is the margin of error? ME=

A: Answer: From the given data, 95% confidence interval was found to be (14.312, 21.432) lower limit =…

Q: Pete kept records of the fuel efficiency of his car. After the first 100 times he filled up the…

A:

Q: A laboratory tested 78 chicken eggs and found that the mean amount of cholesterol was 224 milligrams…

A:

Q: If the t-statistic for a variable is -1.74, is the variable statistically significant?   No   Yes

A: If the t-statistic for a variable is -1.74, is the variable statistically significant? Explanation:…

Q: A confidence interval for the difference in the percent that men and women scored on their…

A: confidence interval = (-3 , 0.1)

Q: One year, the mean age of an inmate on death row was 39.2 years. A sociologist wondered whether the…

A:

Q: The age when smokers first start from previous studies is normally distributed with a mean of 13…

A: Given,sample size(n)=22sample mean(x¯)=13.8standard deviation(σ)=2.1α=1-0.90=0.1α2=0.05Z0.05=1.645…

Q: A doctor wants to estimate the mean HDL cholesterol of all 20- to 29-year-old females. How many…

A: Given information: Confidence level=0.99 and 0.95. Margin of error(E)=2 points. Sample standard…

Q: The scores on a standardized test are normally distributed with a mean of 90 and standard deviation…

A: The test score is 0.6 standard deviations above the mean is obtained below: From the given…

Q: The mean score of a random sample of 22 students’ applicants who took the college entrance…

A: Given :    Sample size (n) =22

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: Regression and correlation are used for estimation. Select one: True False

A: The most commonly used estimation techniques for investigating the relationship between two…

Q: In 1988, on the math SAT, the males taking the exam averaged about 500, while the females averaged…

A: From the provided information,

Q: Assume that adults have IQ scores that are normally distributed with a mean of 107 and a standard…

A:

Q: The distribution of scores has a mean of 92 and standard deviation of 6. Explain why these scores…

A: A normal distribution has 15.86 percentage values more than one standard deviation units above the…

Q: a sample of 1963 scores was drawn from a normal distribution with a mean of 19.84 and a standard…

A: Given that, μ=19.84,σ=1.918n=1963 Consider that exactly 2.3512% of the distribution of means falls…

Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: Data of the weights of 81 pet dogs was collected. The sample mean was 30. The standard deviation is…

A: Here, T - interval is applicable ================= df = n-1

Q: Find 95% confidence interval for the population mean, if the sample size is 40, the sample mean is…

A:

Q: A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly…

A: From the provided information, Sample size (n) = 22 Sample mean (x̅) = 413 Sample standard deviation…

Q: A researcher collected sample data for 9 women ages 18 to 24. The sample had a mean serum…

A: Solution: Let X be the serum cholesterol level of all women in the age group 18 to 24. From the…

Q: Find the critical t value to use in making an 80% confidence interval for a mean if the sample size…

A:

Q: Describe about the Confidence Interval for μD.

A: Correlated samples t test or paired t test or repeated measures t test: The paired t is used when…

Q: A recent study of over 1000 parents on cyberbullying showed that a 95% confidence interval of…

A: From the given information, 95% confidence interval of proportion of kids who faced bullying in…

Q: The mean score of a class of 30 students in their math test is 6.267. The standard deviation is 1.9…

A: The null and alternative hypothesis is, The given 95% confidence interval for population mean is,…

Q: The combined SAT scores for the students at a local high school are normally distributed with a mean…

A: given data normal distributionμ = 863σ = 156minimum score required to admission = 877% of students…

Q: Find the Margin of Error, if we are asked for 90% confidence interval where the mean is 52.3, the…

A: The provided information are: Confidence level = 90% Population standard deviation (σ)=2.15 Sample…

Q: The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish…

A: Given: The value of n is 50. The value of σ is 11. The value of x is 244. The value of α is 0.05.

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.