Say you are looking for the t* for a confdence interval of 80%, with a sample size of 23. How would you fnd the t* in classcalc. I do not want you to find it the value, just to explain how you will get the value on classcalc.

Q: Can you please explain and help me do this since I am allowed to on a ti84? Thank you. ex:You are…

A: It is given that n1=90, n2=170, p1=0.20, and p2 =0.90.

Q: c. The test statistic d. The p-value = v = 1.933 x (please show your answer to 3 decimal places.)…

A: Given that  Sample size n =393 Favorable cases x =94

Q: Suppose that the mean score of a class of 29 students was 78. The 16 male students in the class had…

A: From the provided information, The mean score of 29 students was 78. The 16 male students has mean…

Q: None

A: Let me know if you have the exact number of rolls (n), and I can calculate the precise probability…

Q: there is no relationship between age and job satisfaction in hypothesis in a formula form

A: The relationship between two variable is denoted by correlation. Correlation testing is the test of…

Q: Most grad schools require 1000 on GRE.  It's a composite score, with two parts (like SAT). Each part…

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Q: How to calculate the "P-value"  by hand?

A: To calculate the p-value, we first need to perform a linear regression analysis on the given data,…

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

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Q: What is the percentage of scores that lie between a z score of -2 and a z score of 1?

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Q: The average score for Indiana public school 6th graders on a standardized reading comprehension test…

A: The hypothesized mean is 75, the sample mean is 75.9 and the standard deviation is 5.

Q: There (Choose one) venough evidence to conclude that the mean FICO score is more than the cutoff of…

A:

Q: The mean is cosidered to be the "balance point" for a distribution becuase exactly half of the…

A: The mean is considered to be the "balance point" for a distribution because exactly half of the…

Q: The previous problem demonstrates that removing individual differences can substantially reduce…

A: Given that  Let X1 represent Neural Word and X2 denote the Swearing  .... Data is given as paired…

Q: Can you please explain and help me do this since I am allowed to on a ti84? Thank you. ex:You are…

A:

Q: A physics instructor wants to determine how much test scores would increase if she assigned online…

A: Solution: Given information: n= 100 Sample size μ=79 Population mean M= 82  Sample mean s=15  Sample…

Q: if the 90% Ci for the population mean is (-2. 58, 7.54) what is the sample mean О a.248 ОБ. 10.12 O…

A: Confidence interval is defined as the range that contains the value of a true population parameter.…

Q: 84 Students Who Took The Achievement Test Last Oct. 2020 If the mean is 88, S = 2.50 How Many…

A: Answer - Given, Sample size n = 84 and the mean is μ = 88, S = 2.50                 How Many…

Q: How do you compute the range, interquartile range and standard deviation

A: formula's of Range , Interquartile range and standard deviation.

Q: Use technology to perform two-sample t-test to determine whether there is a difference in the mint…

A: Two sample t -test    To determine whether there is difference in the mint dates and the values of…

Q: An analysis was conducted to determine whether the average height of the 25 girls in the same class…

A: Here Avg height of 25 girls in the Same class is difference from population mean is checked Here…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: Denote p1, p2 as the true population proportions of men and women who own cats, respectively.

Q: A random sample of 300 students was taken from an affluent school district. There were 75 students…

A: The sample size is 300, number of students who were coached for the SAT's is 75. The sample…

Q: estimate the sample size

A: An estimate of sample size: The appropriate sample size for estimating the mean of a variable from…

Q: Let's say you have a sample of n = 30, and you know that X = 45 corresponds to z = 1.50 and X = 40…

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Q: d) Use your answers for Parts B and C to compute the 95% confidence interval for the proportion of…

A: d) Computation of critical value: 1-α=0.95α=0.05α2=0.0251-α2=0.975 The critical value of…

Q: How would I calculate a Chebyshev interval of 88.9% around the sample mean of

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Q: Please answer using the 5 steps, thank you. A certain manager wishes to find out if the proposed…

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Q: Whats the formula for converting a z score to t score?

A: What is the formula for converting a z score to t score?

Q: if the 90% C for the population mean is (-2.58, 7.54) what is the sample mean O a 248 Ob. 10.12…

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Q: Use the p-value to draw and explain your conclusion of the test

A: Solution: Given information:  The value of the test statistic is  t= 1.9781  Degree of freedom = df…

Q: Identify the null and alternative hypotheses for this test.

A: Test is that whether the percentage of females aged 15 and  older who live alone has changed from…

Q: What is the percentile rank x=15 and what is the score for 75th percentile?

A: If the we have no of scores is 15 then we have formula for percentile rank as:…

Q: if the 90% Ci for the population mean is (-5.22, 7.68) what is the sample mean O a. can't be found…

A: We have given that,  90% confidence interval for the population mean is  = (-5.22, 7.68)  Then,  We…

Q: You are testing the daim that the proportion of men who own cats is larger than the proportion of…

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Q: Calculate the missing value ** and use tables to approximate the value of ***. Using a 1% level of…

A: We have given that. We have given that  Sample size n =100 Sample mean =75.4 Standard deviation =15

Q: You want to estimate the percentage of statistics students who get grades of C or better. How many…

A: Obtain the sample size. The formula of sample size is, Obtain the area of probability in the right…

Q: if the 90% G for the population mean is (-2.58, 7.54) what is the sample mean O a 248 Ob. 10.12…

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Q: P-value using z score?

A: here , for p value calculated based on type of test (left , right or two tail test ) and test…

Q: in a nation would skip an ortant event such rthday party ersary dinner to watc e pr Assume the…

A: given data, n=629x=433p^=xn=433629=0.6884α=0.10claim:p>0.66

Q: a population has mean score of 50 if five points are added to each score what is the new mean

A: GivenThe population mean = 50Mean is the average of all the data points in the data distribution. It…