The following frequency table gives the height (in inches) of 100 students in a college. Heights (inches) 60-62 62-64 64 66 66-68 68 70 70-72 No. of Students 5 18 42 20 8 7 Calculate the average height of these students.

Q: The height of women ages 20-29 is normally distributed, with a mean of 64.9 inches. Assume a = 2.5 i...

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Q: TIME UL FREQUENCY (f) fx m (m - u)2 fx (m -)² TIME LL m 5000.510 20002.041 135.214-70.714 135.214 -4...

A: We are given an ungrouped frequency distribution of 42 observations. Mean, μ=∑i=1nxifi∑i=1nfi Standa...

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A: Given Mean=36000 Standard deviations=2600 Z=-1.282

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02.       Ho:μ=70....

A: Assume that μ is the population mean.

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A: What is the type of the variable The names of Kuwaiti hotels .

Q: Test the claim that the mean GPA of night students is smaller than 2.5 at the 0.01 significance leve...

A: Given:- Sample size, n= 35.0Population mean μ =  2.5Sample mean x¯ = 2.48Sample standard deviation s...

Q: (d) Use the formula for the standard error of the mean to show how to compute the value reported by ...

A: See the attachment...

Q: give the correct answer. compute the sample standard deviation. a. 6.96 b. 6.16 c. 7.12 d. 8.56

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Q: Testing: H0:p=0.43H0:p=0.43 H1:p≠0.43H1:p≠0.43 Your sample consists of 98 subjects, with 43 succes...

A: We have given that,  H0:p=0.43 versus H1:p≠0.43 Sample size (n) = 98 , favorable cases (X) = 43 Then...

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A: Given,     The simple linear model is given by                yi=β0+β1xi+ei, i=1,....,n   and       ...

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Q: test the following claim

A: Here population standard deviation unknown so use t test 

Q: You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.       Ho:μ=6...

A: Introduction: Denote μ as the true mean of the population.

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A: As per Bartleby guidelines I can't answer more than three sub parts per post. Please post other ques...

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Q: A teacher takes a random sample of 18 students and asks how long their commute to campus is, in minu...

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Q: give the correct answer. compute the median value. a. 45.43 b. 47.90 c. 44.50 d. 46.52

A: Given data is Classes Frequency 31 37 6 ? ? 10 45 51 15 ? ? 3 59 65 1 ? ? 0 73 79 1...

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Q: lim x 5x + 6 Example 22. Evaluate 2 X →3 X - 9 |

A: We need to evaluate the given limiting problem

Q: Find the indicated z-score shown in the graph to the right. Area 0.2843 The z-score is. (Round to tw...

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Q: Find the mode: 76, 25, 76, 13, 25, 29, 56, 76 O a. О а. 47 ОБ. 76 O b. О с. 42.5 O d. 25

A: We have given that,  The data set is,  76, 25, 76, 13, 25, 29, 56, 76 Then,  We will find the mode o...

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A: From the provided information, Sample size (n) = 15 Sample standard deviation (s) = 0.014 Level of s...

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A: Using Bayes' theorem Find P(Y1/X) = ?

Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.       Ho:μ=82....

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Q: In a distribution with u= 80 and o = 20, a z-score of z = -1.00 corresponds to an X value of X = 70....

A: Formula of z score : z = x-μσ

Q: Find the quartiles (Q1, Q2, Q3) of the data set shown below:  D ={98, 88, 78, 99, 84, 80, 62, 44, 4...

A: Given: No. of observations, n=12 D 98 88 78 99 84 80 62 44 49 70 33 35

Q: Please answer a-h

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A: X 0 1 2 3 P(X) 0.353 0.446 0.171 0.027 Yes , the  table shows a probability distribution.  

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Q: Problem 1: Asking Embarrassing Questions, Politely When doing polling, for instance to figure out ho...

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Q: You must estimate the mean temperature (in degrees Fahrenheit) with the following sampl 39.7 48.2 34...

A: Given data, 39.7,48.2,34.4,37.3,31.1,51.7,34.6,40.4,38.7,28.1,48.1,45.7