Times Spent in Rush-Hour Traffic A sample of 12 drivers shows the time that they spent (in minutes) stop traffic on a specific snowy day last winter. Round your answers to one decimal place. 45 47 46 60 62 61 72 56 59 71 73 59 Send data to Excel

Q: If the mean of a problem of 44 and the standard deviation is 11 HOW would I calculate the range at…

A: According to Chebyshev's theorem 36% of the data will lie within 1.25 standard deviation from the…

Q: I was wondering where part (d) was. I figured I could use the same process but I want to make sure…

A: Given that Mean = 4.13 And SD = 1.3539

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Q: In a class of 50 students of Mr Ramos in the subject Calculus, the result of their quiz shows that…

A: given data N = 50μ= 78σ= 6.58carlos : 82Julia : 75how many students did carlos surpassed?n(x<82)…

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Q: The table below shows some data fromn a known international clothing company. Each row in the table…

A: We know that the mean absolute error is given by, MAE=1n∑i=1n|yo-yp| where yo is the observed value…

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Q: Isn't here the standard deviation equal to 4, not 2, as the tutor wrote?

A: Solution-: Given: μ=-3,σ=4 We want to find, P(0<X<2)=? Draw the picture.

Q: Suppose you have a test with a mean of 66 and a standard deviation of 5. If you first increase…

A: Given Mean =66 Standard deviation=5

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Q: The mean of 200 items is 48 and their Standard Deviation is 3. Find : (i) The sum of all the items,…

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Q: All of the accountants at a small paper company are required to take the same accounting exam to…

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Q: The average amount of time it takes for couples to further communicate with each other after their…

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Q: Database A contains 40 data items and is made up with an equal number of the values of 0 and 100 and…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

Q: Suppose a population is known to be normally distributed with a mean, μ, equal to 116 and a standard…

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Q: the mean of a problem of .85 and the standard deviation is 0.18 HOW would I calculate the range at…

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Q: Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H1: This hypothesis test is a…

A: mu = 2.1 xabr = 1.95 n = 54 sigma = 0.4

Q: the mean only given the standard deviation? I know I can get the variance from standard deviation.…

A: The formula for calculating the  variance and standard deviation is,

Q: I'm having trouble with part b of this question. I am using the formula of z=(X-m)÷(standard…

A: Consider, X be a random variable that represents average daily jail population in U.S. is normally…

Q: MAKE SURE YOU SELECT 2 ANSWERS FOR THIS QUESTION - Type of test and hypothesis. A meteorologist…

A: Given population mean μ=0.46  Population standard deviations σ=0.12

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A: Given: highest speed=74.3 mean(x)=15.94 s=22.26

Q: Please calculate the mean, variance and standard deviation for the following scores taken from a…

A: Given data is,4,5,6,7sample size(n)=4

Q: Imagine you select 30 males at random and find their mean height to be 5 ft 11 in. tall with a…

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Q: One of the z-score formulas will help on this question. Scores on the SAT test are normally…

A: Given data,Mean μ=500sd σ=100Score X=450z-score =?

Q: Adam just graded his exams. the mean score is 74, the median is 76.5, the range is 65 and the…

A: given data  mean = 74 median = 76.5 range = 65 standard deviation = 11 add 7 points to each score…

Q: ONLY SOLVE C The speed at which people type is measured in terms of words per minute (wpm). The WPM…

A: (c) 35% of wpm values are greater than what wpm? Use R. A z-score is a measure that indicates how…

Q: Find the mean and standard deviation of #20,#18,#5 when combined. Find the mean and standard…

A: There are 5 series of observations namely #7, #13, #20, #18, #5

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Q: What is the mean absolute deviation of 1, 5, 8, & 10? Show your solution

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Q: 4. Normally, the mean weight of MFU students is 60 kg, please find the probability to obtain the…

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Q: Hey for b-1 I just need the mean. I also need the mean and standard deviation for C. Thank you

A: Consider the following table: Number of Hours(xi) Amount Charged(yi) Frequency Probability 1 4…

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Q: The mean number of English courses taken in a two-year time period by male and female college…

A: a)The null hypothesis isH0:μM=μF

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