Every year, the students at a school are given a musicalaptitude test that rates them from 0 (no musical aptitude)to 5 (high musical aptitude). This year's results were:Aptitude ScoreFrequency0123423313252The mean () aptitude score:to 1 decimal place.)The median aptitude score:(Please show your answerThe mode aptitude score:(Please separate your answers by ',' in bimodal situation.Enter DNE if there is no mode.)

The frequency distribution of musical aptitude scores at a school is given.Aptitude…

Answered: Every year, the students at a school…

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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For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 594 potsherds was found, of which 368 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit
A biologist exposed a certain type of bacteria to gamma radiation to see how long they would live. He gathered data on the survival time of a number of bacterial cells and organized the data into the histogram below. Use the histogram to construct a frequency table. (The relative frequencies should be in decimal form.) 60+ 50 40 30 10 440 282 Survival Time (in Seconds) 45 124 203 361 519 Survival Time of Bacteria upon Exposure to Gamma Radiation Frequency Survival Time (in Seconds) Relative Frequency 45-124 124-203 203-282 282-361 361-440 440-519 Frequency 20
In California, we need more rain to sustain the health of our natural environment, argriculture, and economic. A group of statistics students in Oxnard College recorded the amount of rain during 2016-2017 school year, measuring the intensity by the inches of rain, and the results were: Inches of Rain 2. 4 Frequency 4 4 3 1 3 The mean (T) rain intensity: inches (Please show your answer to 1 decimal place.) The median rain intensity: inches The mode rain intensity: inches (Please separate your answers by ',' in the bimodal situation. Enter DNE if there is no mode or if there are more than two modes.) Submit Question N 16 rch home ins prt sc delete 144
Every year, the studants at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude). This year's results were: Aptitude Score 012345 0 3 554 4 Frequency Round answers to two decimals, if necessary The average (mean) aptitude score: The median aptitude score:
the total student of this table is 50 so based on it :
In a student survey, forty-one part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 15 0.3659 15 2 12 0.2927 ? 3 ? ? 41 What percent of students take exactly one courses ? %
The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744
In a tasting experiment, individuals were asked to score between 1-10 for the taste of the product. The arithmetic mean of the results was found to be 7.8, ∑ ni mi = 390. Accordingly, how many people has this experiment been applied to?
In a student survey, forty-one part-time students were asked how many courses they were taking t The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 12 12 0.3415 26 3 15 0.3659 What percent of students take exactly one courses? Submit Question M. Chp -> Ca 2$ & 3. 4. 7 8 9. y d f g 13 <6
A keen angler kept a record of the weight of each of his last 51 catches of fish. The weights, recorded to the nearest 0-1 kg, are as given in the following table. Weight (kg) 0.0-0.4 0.5-0.9 1.0-1.2 1.3-1.7 1.8-2.1 2.2-3.7 3.8-5-2 Frequency 12 8 2 9 8 8 4 Draw a histogram for the data, and use it to calculate the modal class.
Exam Score Oata 76 69 64 75 70 80 90 86 77 79 82 62 76 96 64 95 65 68 74 2d whet is the in ter ranfe fiaR) for the quactile Calalus
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 580 potsherds was found, of which 370 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit

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