The following are ages of 15 of the signers of the Declaration of Independence.43, 33, 40, 42, 46, 50, 39, 38, 32, 47, 50, 36, 40, 55, 45Send data to calculatorFind 25th(a)and 70th(If necessary, consult a list of formulas.)(b)percentiles for these ages.The 25th percentile: 0The 70th percentile: 0ContinueOM311Ⓒ2022 McGraw Hill LLC. All Righ

First Arrange data in ascending order. 32,33,36,38,39,40,40,42,43,45,46,47,50,50,55 n=15

Answered: O The following are ages of 15 of the…

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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Here are the reading scores (out of 60) of 20 randomly selected kindergarten kids in a district 34, 26, 46, 46, 43, 42, 45, 39, 43, 32, 15, 36, 29, 39, 41, 27, 38, 58, 31, 35 Find the 5-number summary for the data set. Min: 15 Q1: OF 58 Find the IQR of the data set. IQR: 11.7 x Find Q3+1.5(IQR).! Q3+1.5(IQR) = 60.6 X Median: 38.5 38.5 Q3: 43 043 Max: 58 Are there any high outliers, that is, are there any numbers in the data set higher than Q3+1.5(IQR)? No, there are no high outliers ✓ OB Find Q₁-1.5(IQR). Q₁-1.5(IQR) Are there any low outliers, that is, are there any numbers in the data set higher than Q₁— 1.5(IQR)? No, there are no low outliers ✓ = 25.3 X
Try Again Your answer is incorrect. • Some of the frequencies are incorrect. The following is a list of P/E ratios (current stock price divided by company's earnings per share) for 21 companies. 57, 53, 50, 46, 42, 35, 31, 56, 52, 49, 45, 41, 37, 48, 48, 48, 44, 44, 40, 40, 40 Send data to calculator Draw the histogram for these data using an initial class boundary of 30.5 and a class width of 6. Note that you can add or remove classes from the figure. Label each class with its endpoints. Frequency 8- 7. ? 6+ 5- 4- 2 2- 30.5 36.5 42.5 48.5 54.5 60.5 "PEratio 2.
Suppose we want to know the mean number of shurikens thrown each night by ninjas in Konoha village. Getting this information from every ninja in the village would take forever. Instead, we randomly select 20 ninjas from the ninja school that is closest to us. a. Identify the population of interest in this survey b. Describe the parameter of interest in this survey. c. Identify the sample of interest in this survey.
Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they made the time period of January 1 to March 31. The table gives the defect and the number of defects. Do the data support the notion that each defect type occurs in the same proportion? Test at the 5% level. Number of Defective Lenses Defect type Number of defects Scratch 1866 Right shaped - small 1935 Flaked 1979 Wrong axis 1921 Chamfer wrong 1864 Crazing, cracks 1991 Wrong shape 2004 Wrong PD 1895 Spots and bubbles 1917 Wrong height 1885 Right shape - big 1875 Lost in lab 1886 Spots/bubble - intern 1935 State the hypotheses.H0: Each defect type in the same proportion.Ha: Each defect type in the same proportion. Calculate the χ2 test statistic. Round expected values to two decimal places. Round χ2 to three decimal places.χ2 = Calculate the p-value. Round to four decimal places.p-value = State your decision.Since p-value 0.05,…
Mean in case of Missing Frequency . Calculate the number of students against the class 30-40 of the following data where X = 28 Marks: 0-10 10-20 20-30 30-40 40-50 No. of students: 50-60 12 18 27 ? 17
Please solve and explain #2
Profits per shop Number of shop 0–100- 12 100–200 18 200-300 27 300–400 20 400–500 17 500-600 06
**Frequency distribution table** The city council was concerned that allowing more bars within city limits would increase the number of drunk drivers on city streets. A researcher was asked to statistically determine how many bar patrons exceed the legal limit for driving when leaving a bar. The researcher asked 20 bar patrons to take a test to determine their blood alcohol levels as they were leaving the bar. The scores are shown below. 0.05 0.08 0.09 0.12 0.03 0.07 0.09 0.12 0.10 0.06 0.10 0.02 0.08 0.00 0.07 0.00 0.14 0.02 0.11 0.10
Find the 25th, 50th, and 75th percentile from the following list of 25 observations. 9. 15 24 31 35 38 42 48 49 54 57 60 62 72 73 74 76 78 80 89 92 93 94 99 25th percentile = 50th percentile = 75th percentile %3D
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