18 2 23 6 17Calculate the POPULATION standard deviation. Round to ONE decimal place.

If the datapoints in the population is given as x1 , x2 , . . . . . . . , xn Then,…

Answered: 18 2 23 6 17 Calculate the POPULATION…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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cw 1.2 The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 61 ounces and a standard deviation of 11 ounces.Use the Standard Deviation Rule, also known as the Empirical Rule.Suggestion: sketch the distribution in order to answer these questions.a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 39 and 94 ounces? %c) What percentage of the widget weights lie below 72 ? %
tion 11 of 15 Calculate the sample standard deviation for this data set: 11, 28, 36. The formula for the sample standard deviation is shown, where n represents the sample size, x represents each value in the data set, and x represents the sample mean. n- 1 Step 1. Calculate the sample mean. Step 2. Calculate the deviations and the squares of the deviations. about us careers privacy policy terms of use contact us help O US 9 DELL 24 & 8. y h
Approximate the standard deviation for following GFDT. Data 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 85 - 89 90-94 95 - 99 100 - 104 Frequency 12 24 11 8 7 5 2 1 1 sample standard deviation =
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A deviation score is the difference between the score and the __________.
answer only c-e In the 1992 presidential election, Alaska's 40 election districts averaged 1939 votes per district for President Clinton. The standard deviation was 550. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.a. What is the distribution of X? X ~ N(40, 550)c. Find the probability that a randomly selected district had fewer than 1961 votes for President Clinton. ___________d. Find the probability that a randomly selected district had between 1843 and 2007 votes for President Clinton. __________e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number. _________
Question 6 Which dataset below has the higher standard deviation? Hint: You don't need to calculate it. Dataset A: 2, 8, 10, 5, 7, 6 Dataset B: 100o, 100, 5000, 0, 7500 cannot determine Dataset A the standard deviations are the same Dataset B
I need range, variance, and standard deviation please with step by step so I can learn.
Use the following raw scores to answer the questions below. 29 21 19 29 20 28 28 29 32 29 15 19 = _____%tile Find the Mean and Standard Deviation of the scores in Excel. mean = Standard Deviation = Convert the first three raw scores in the list on the previous page (29, 21, & 19) to z-scores. 29 = ___________ 21 = ____________ 19 = _____________ You administer a psychological test that has a normal distribution in the population. You know the Mean = 100 and the Standard Deviation = 15. Order the following (a-e) from smallest to largest. Raw Score of 86 Z-Score of 1.5 Percentile Rank of 98% Score that is 0.5 Standard Deviations below the Mean T-score of 80 _________ _________ _________ _________ _________ Eleanor scores 690 on the SAT math test. The normal distribution of SAT math scores has a mean of 500 and standard deviation of 100. Gerald takes the American…
Ten friends kept track of how many times they sent a text over a one hour period. The results are in the table below. number of texts 5 6 7 7 8 10 10 15 16 17 They determine that the mean of the data set is 10.110.1, but they also want to know the range and standard deviation. Calculate the range of the data set.Is this correct answer 12? Calculate the POPULATION (since it's just two friends, they're the population) standard deviation of the data set.I have a hard time

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18 2 23 6 17 Calculate the POPULATION standard deviation. Round to ONE decimal place.