Which histogram depicts a higher standard deviation?Choose the correct answer below.Frequency3040 50 60 70(a)G***OA Histogram b depicts the higher standard deviation, because the bars are higher than the average bar in a.OC. Histogram a depicts the higher standard deviation, since it is more bell shaped.Frequency1078-4044 48 52 56 60(b)OB. Histogram b depicts the higher standard deviation, because the distribution has more dispersion.O D. Histogram a depicts the higher standard deviation, because the distribution has more dispersion.

The objective is to interpret the standard deviation based on the given histogram. In a histogram,…

Answered: "Which histogram depicts a higher…

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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A researcher wishes to test the effects of excerise on the ability to complete a basic skills test. He designs a pre-test and post-test to give to each participant. You believe that there was a difference in the scores. You believe the population of the differences is normally distributed, but you do not know the standard deviation. When calculating difference use Post-test minus Pre-test. pre-test post-test 63 71 97 94 66 66 41 32 96 97 41 45 79 81 98 106 76 70 63 70 42 47 86 94 Which of the following are the correct hypotheses? O Ho: Hd 2 0 HA: Ha 0(claim) O Ho: Hd = 0 HA: Hd + 0(claim) Given that a is 0.05 the critical value is 2.201 and -2.201 The test statistic is: (round to 3 places) The p-value is: (round to 3 places) The decision can be made to: O reject Ho O do not reject Ho The final conclusion is that: O There is enough evidence to reject the claim that there was a difference in the scores. O There is not enough evidence to reject the claim that there was a difference in…
1 2 3 4 Here are the foot lengths (in centimeters) for a random sample of 7 fourteen-year-olds from the United Kingdom. Find the mean and standard deviation. 25, 22, 20, 25, 24, 24, 28 Mean= type your answer... Standard deviation = type your answer... cm cm
Study the group of tests administered to a class where Gab belongs, then answer the questions. SUBJECT МEAN Standard deviation Gab's score Mathematics 56 10 43 Biology 55 9.5 51 Philosophy 80 11.25 88 РЕ 75 9.75 82 In which subject did Gab perform worst in relation to the group's mean performance. Explain.
A researcher studied 5050 adults daily screen time. She had them record the amount of hours (rounded to the nearest hour) they spent looking, listening or reading at computer or cell phone daily. The frequency table below shows the results. Hours of Screen Time Frequency 7 5 8 6 9 4 10 5 11 8 12 10 13 9 14 3 The researcher found that the mean number of hours of the data set was 10.7210.72. She wants to also find range and standard deviation. Find the range of the data set.range = Find the standard deviation of the data setstandard deviation = Round your result to two decimal places.
( 16 ) • Question is in the photo below
z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6 feet 8 inches, or 203 cm. Based on statistics from Data Set 1 “Body Data” in Appendix B, his height converts to the z score of 4.07. How many standard deviations is his height above the mean?
Gabriel and Lucia took a road trip across the country. The room costs, in dollars, for their overnight stays are listed in the accompanying table. How many of the cost amounts are within one standard deviation of the mean? Click the icon to view the room costs in dollars. There are cost amounts within one standard deviation of the mean. (Type a whole number.) Room Costs ($) 70 100 140 185 195 200 215 220 225 290 310 315 D -
eText Contents A credit score measures a person's creditworthiness. Assume the average credit score for Americans is 687. Assume the scores are normally distributed with a standard deviation of 46. Study Plan al Determine the interval of credit scores that are one standard deviation around the mean. Video & Resout b) Determine the interval of credit scores that are two standard deviations around the mean. c) Determine the interval of credit scores that are three standard deviations around the mean. Library a) The interval of credit scores that are one standard deviation around the mean ranges from to Accessible Resi (Type integers or decimals. Use ascending order.) Purchase Optic Communicatio Enter your answer In the edit flelds and then click Check Answer (? parts remaining CicckAnswer O Type here to search F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PriSc Numlk DIO Sar Lk SysRq % 7 7 3 4 8. € 6 9. E R Tab 4. sLock D K
Professor Pete’s calculus class has the following scores: 19 21 31 32 37 45 52 55 62 63 63 65 65 77 78 Use Excel’s STDEV.S function to find the standard deviation. (round to the hundredths place)
Consider the following sample data. Sample A: 11, 22, 33 Sample B: 81, 92, 103 Sample C: 1,100; 1,111; 1,122 (a) Find the mean and standard deviation for each sample. Sample A: Sample B: Sample C: Mean Sample Standard Deviation (b) What does this exercise show about the standard deviation? multiple choice The idea is to illustrate that the standard deviation is not a function of the value of the mean. The idea is to illustrate that the standard deviation is a function of the value of the mean.
Explain the circumstances for which the interquartile range is the preferred measure of dispersion. What is an advantage that the standard deviation has over the interquartile range? Choose the correct answer below. A. The interquartile range is preferred when the data are bell shaped. An advantage of the standard deviation is that it increases as the dispersion of the data increases. B. The interquartile range is preferred when the distribution is symmetric. An advantage of the standard deviation is that it is resistant to extreme values. C. The interquartile range is preferred when the data are skewed or have outliers. An advantage of the standard deviation is that it uses all the observations in its computation. D. The interquartile range is preferred when the data are bell shaped. An advantage of the standard deviation is that it is resistant to extreme values. E. The interquartile range is preferred when the data are not skewed or no have…

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