-201510532 37 42 47 52 57 62 67 72 77Number of People20151030 35 40 45 50 55 60 65 70Number of People-201510530 35 40 45 50 55 60 65 70 75Number of People201510534 39 44 49 54 59 64 69 74 79Number of People(d) What is the shape of this distribution? Your answer will be hand graded.Freque ncyFrequencyFrequencyFrequency Given the following sample data in a grouped frequency distributionDataFrequency30 - 34135 - 3940 - 44245 - 49550 - 54455 - 591160 - 6465 - 6970 - 74122314(a) Find the mean (give you answer to one decimal) =What would the correct notation be? Enter mu, x-bar, s, or sigma.(b) Find the standard deviation (give your answer to two decimals) =What would the correct notation be? Enter mu, x-bar, s, or sigma.

The table data shows the grouped frequency distribution.

Answered: Given the following sample data in a…

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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Similar questions

Find the sample standard deviation for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 40 44 1 45 49 8 50 54 3 55 59 4 60 64 6 65 69 11 70 74 2 75 79 9 80 84 5
Find the range, MAD, variance, and standard deviation of the following grouped data?
The mean # of hours worked
Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal place. If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.) mean median mode(s) Points Scored by Lynn Points scored in abasketball game Frequency 2 9 6 8 7 9 10 7 11 2 13 4 14 2
The following table gives the math SAT scores for some recent selected years. Find the average, variance, and standard deviation of each. (Round your answers to four decimal places.) Males 500 502 498 504 497 Females 446 453 450 454 451 Males: mean variance standard deviation Females: mean variance standard deviation Which group is varying more? femalesmales cannot be determined
A recent poll of 3,107 individuals asked: "What's the longest vacation you plan to take this summer?" The following relative frequency distribution summarizes the results. Response Relative Frequency A few days 0.22 A few long weekends 0.35 0.24 0.19 One week Two weeks a-1. Construct the frequency distribution of these data. Note: Round your answers to the nearest whole number. Response A few days A few long weekends One week Two weeks Total Frequency 0 a-2. How many people are going to take a one-week vacation this summer? Note: Round your answer to the nearest whole number. Number of people b. Select a bar chart for this data. Frequency 1200 1000 800 600 400 200 Bar Chart A Frequency Bar Chart B Bar Chart C 1200 1400 1000 800 600 400 200 Frequency 1200 1000 800 600 400 200 80 0 0 0 A few days A few days A few long One week Two weeks A few days A few long One week Two weeks A few long weekends One week Two weeks weekends weekends Response Response Response
B. The following data show the age of 180 random consumer of facial wash in a supermarket. Calculate the Mean, Variance and Standard deviation. Construct the whole table. Age Number of Consumer (f) 9 – 15 12 16 - 22 52 23 – 29 68 30 – 36 28 37 – 43 13 44 – 50 51 – 57 58 – 64 1 n = 180 4-
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…
2. Find out (i) Mean (ii) Median and (iii) Standard Deviation for the following data. Class 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 Interval Frequency 15 18 22 28 32 26 25 17
(a) How many classes are there?
Find the mean, the median, and all modes for the data in the given frequency distribution. (Round your answers to one decimal place. If there is more than one mode, enter your answer as a comma-separated list. If an answer does not exist, enter DNE.) mean median mode(s) Points Scored by Lynn Points scored in abasketball game Frequency 2 8 8 5 9 8 13 4 14 1 18 3 21 1
A. Develop a histogram for the frequency distribution below, the commuting distance for 50 employees of a particular company. Commuting Miles Frequency 0-under 4 4-under 8 10 8-under 12 6 12-under 16 16 16-under 20 6. 20-under 25 Total 50 B. A statistics professor administered an exam to three different classes. The 8:00 class had 20 students and an average score of 82.4. The 9:00 class had 24 students and an average of 78.9. The 29 students in the 10:00 class had an average of 87.3. Calculate the òverall average for all three classes combined. C. The following table summarizes the grade point averages (GPAS) of graduate students in a statistics class. Approximate the mean GPA of the class. GPA Frequency 3.0-under 3.2 6. 3.2-under 3.4 6. 3.4-under 3.6 3.6-under 3.8 16 3.8-4.0 2 D. The following table lists the number of days that 15 houses in a particular area were on the market waiting to be sold. Calculate the IQR to determine whether the data set contains any outliers.

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