The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below.14291230987694722834Assume the population is normally distributed.7267435436201442949(a) Find the sample mean.(Round to one decimal place as needed.)(b) Find the sample standard deviation.(Round to one decimal place as needed.)(c) Construct a 95% confidence interval for the population mean u.A 95% confidence interval for the population mean is(Round to one decimal place as needed.)NextHelp me solve thisView an exampleGet more help -829 PM53°F Clear A10/31/20212199+O Type here to searchInsertDeletePriScF11F12F8F9F10F7F6F5F4NumLockEscF1F2F3Backspace%234.5-7UHomeETTabEnterGH.KDCapsLkShiftEcMX.CVShiftPgUpAltCtrlEndPgDnHomeAlt4-+ I/P本

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Answered: The state test scores for 12 randomly…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. 1420 1221 990 692 720 833 726 746 548 628 1443 950 (a) Find the sample mean. x=enter your response here (Round to one decimal place as needed.) find the Standard Deviation.
The average weekly incomes, in £s, of 18 selected occupations in the United Kingdom were: 244, 146, 278, 396, 435, 641, 577, 122, 294 357, 802 730, 286, 484, 169,, 559, 208, 498 Find the median, mode, variance, range, mad, upper extreme, lower extreme. Draw a box plot to represent these incomes. Calculate the mean weekly income and the standard deviation. (HANDWRITTEN OR AT LEAST NOT IN A CODE FORM)
Find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 35 42 42 63 71 79 84 85 96 98 range = (Please enter an exact answer.) standard deviation (ss) = (Round to one decimal place.) IQR = (Please enter an exact answer.)A new number, 139, is added to the data set above. Find the range, sample standard deviation and IQR of the new data set.range = (Please enter an exact answer.) standard deviation = (Round to one decimal place.) IQR = (Please enter an exact answer.)Which measure of spread is less affected by the addition of the extreme observation? standard deviation Range IQR
The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 7, 15, 5, 14, 10, 12, 8, 3, 9 The range is 1313. (Simplify your answer.) The population mean is . (Simplify your answer. Round to the nearest tenth as needed.) The population variance is nothing. (Simplify your answer. Round to the nearest tenth as needed.) The population standard deviation is nothing. (Simplify your answer. Round to the nearest tenth as needed.)
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1430 1230 985 699 730 834 725 748 548 Assume the population is normally distributed. O My Courses 624 1443 945 Course Home (a) Find the sample mean. Assignments x= 911.8 (Round to one decimal place as needed.) (b) Find the sample standard deviation. Gradebook s=(Round to one decimal place as needed.) Chapter Contents eText Multimedia Library Study Plan Tools for Success Accessible Resources Clear all Check answer Skills for Success View an example Get more help - Media - Help me solve this Pearson 2:58 PM 57°F 12/1/202 Type here to search 10/05/17 Insert Delete PrtSc F11 F12 F7 F8 F9 F10 F5 F6 Num దిజడిజధజంచు నివం 7 08. 3
Using technology, find the range and standard deviation, round to one decimals place:The table below gives the number of hours spent watching TV last week by a sample of 24 children. 20 39 34 29 48 84 64 25 75 89 40 57 82 43 62 52 49 59 38 87 49 66 95 17 Range = 78 Standard Deviation = 22.6
Calculate the standard deviation of the following set of numbers (show your work): 5 5 7 8 10
Joey and Dee Dee bowled five games at the Rock 'n' Bowl Lanes. Their scores are given in the following table. Joey 143 170 219 157 146 Dee Dee 183 166 188 143 160 (a) Find the mean score of each bowler. (Round the answer to one decimal place.) Joey X = Dee Dee x = (b) Find the standard deviation of each bowler's scores. (Round the answer to one decimal place.) Joey S = Dee Dee s =
The state test scores for 12 randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. 1426 1230 987 699 722 833 Assume the population is normally distributed. 730 747 545 624 1441 948 (a) Find the sample mean. x= 911 (Round to one decimal place as needed.) (b) Find the sample standard deviation. S= (Round to one decimal place as needed.) D
Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 22 35 36 46 46 56 58 69 76 93 range = (Please enter an exact answer.) standard deviation (ss) = (Please show your answer to one decimal place.) IQR =________ (Please enter an exact answer.)A new number, 215, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set.range =________ (Please enter an exact answer.) standard deviation = ___________ (Please show your answer to one decimal place.) IQR =________ (Please enter an exact answer.)Which measure of spread is less affected by the addition of the extreme observation? IQR Range standard deviation
Suppose six pet food stores in the area were surveyed, and the following data shows how many types of pet food each of them carries. 7,7,9, 9, 11, 11 Calculate the sample mean and the sample standard deviation. Round your answers to three decimal places. T = Number Number S=
Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, variance, and standard deviation. If another value, 8.00, is added to those listed in the data set, do the measures of variation change much? 3.30 2.77 2.80 1.96 1.69 2.54 2.43 3.44 3.92 1.58 2.87 1.63 2.56 3.95 2.50 2.44 1.82 2.19 2.44 2.99 2.92 2.35 1.98 3.06 2.78 3.86 2.95 2.07 1.86 2.36 2.37 3.46 3.45 1.54 2.54 1.49 2.22 3.06 2.27 3.20 1.96 1.91 2.40 2.95 2.61 1.49 2.16 2.33 1.91 2.70 2.92 1.80 3.66 2.69 1.43 3.60 3.13 2.56 1.54 1.41 2.83 2.85 2.20 1.68 3.18 1.38 1.73 2.37 1.15 2.35 2.46 1.81 2.01 3.00 1.94 2.42 1.85 2.24 2.35 3.22 3.97 2.10 1.48 2.31 2.31 2.62 2.55 2.20 2.77 2.46 2.69 3.57 2.84 2.75 3.26 1.74 4.72 3.23 2.36 2.00 3.83 2.41 2.88 2.67 2.32 2.80 2.80 2.40 3.41 2.34 1.49 2.41 2.45 2.50 2.73 2.44 2.78 2.65 2.68 2.43 Without the extra data value, the range is 3.573.57. (Type an integer or…

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