The following are the marks obtained by a batch of 9 students in a certain test :SI. No.MarksS1. No.(Out of 100)68Marks(Out of 100)384932596641342154Calculate the mean deviation of the series.6789

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Answered: The following are the marks obtained by…

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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Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm. For a random sample of 158 adult males, the mean pulse rate is 67.6 bpm and the standard deviation is 10.9 bpm. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. bpm (Type an integer or a decimal. Do not round.)
Find the standard deviation for the group of data items. Stems Leaves 0 877858 3302 The standard deviation is (Round to two decimal places as needed.)
K The IQ scores for a random sample of subjects with low lead levels in their blood and another random sample of subjects with high lead levels in their blood were collected. The statistics are summarized in the accompanying table. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) to (c) below. tcrunch @ W S OA. Ho: H₁ H2 H₁: H1 H2 = OC. Ho: P1 P2 H₁: H1 H₂ The test statistic is a. Use a 0.05 significance level to test the claim that the mean IQ score of people with low blood lead levels is higher than the mean IQ score of people with high blood lead levels. What are the null and alternative hypotheses? Assume that population 1 consists of subjects with low lead levels and population 2 consists of subjects with high lead levels. The P-value is State the conclusion for the test. Tech help ZO F3 (Round to two decimal places as needed.) (Round…
A sample is given from the values of the EV/Net Income index (an indicator that compares the value of an enterprise with its net profit) for 100 enterprises of this industry. 1. Make an interval variation series. 2.Plot a histogram of relative frequencies N.b) the first image is the table for the task and the second image(descriptive statistics), is describe the steps you should follow for the assignment.
K A process produces strings of Christmas tree lights that historically have experienced a defective rate of 6%. A customer has placed an order for 150 strings of lights. Use the normal approximation to the binomial distribution to answer parts a through e. a. Calculate the mean and standard deviation for this distribution. The mean is 9. (Round to four decimal places as needed.) The standard deviation is 2.9086. (Round to four decimal places as needed.) b. What is the probability that fewer than 4 strings in this order will be defective? The probability is 0.0292. (Round to four decimal places as needed.) c. What is the probability that exactly 10 strings in this order will be defective? The probability is (Round to four decimal places as needed.) View an example Get more help - H 1 |=| Vi 1. Clear all Check answer *
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A researcher measures the amount of sugar in several cans of the same soda. The mean is 39.01 with a standard deviation of 0.5. The researcher randomly selects a sample of 100. Find the sum with a z-score of -2.4. (Enter an exact number as an integer, fraction, or decimal.) 3888.4 X How is the central limit theorem for sums z-score formula used to find the sum? Additional Materials Reading
The round off errors when measuring the distance that a long jumper has jumped is uniformly distributed between 0 and 5.8 mm. Round values to 4 decimal places when possible. b. The standard deviation is c. The probability that the round a. The mean of this distribution is off error for a jumper's distance is exactly 0.3 is P(x-03)-d. The probability that the round off error for the distance that a long jumper has jumped is between 0 and 5 8 mm is PC1.7 x 5.2)- that the jump's round off error is greater than 1.76 is P(x > 1.76) Find the 81st percentile. e. The probability f P(x > 1.4 x > 0.6) h. Find the mnmum for the upper quartile.
ind the standard error of the mean for each sampling situation (assuming a normal population). (Round your answers to 2 decimal places.) Standard Error (a) σ = 18, n = 9 (b) σ = 18, n = 36 (c) σ = 18, n = 144
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.8 bpm. For a random sample of 144 adult males, the mean pulse rate is 69.1 bpm and the standard deviation is 10.8 bpm. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. bpm (Type an integer or a decimal. Do not round.)
- Calculate mean deviation from the following series: 10 11 12 13 14 Y 3 12 18 12 3

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The following are the marks obtained by a batch of 9 students in a certain test : SI. No. Marks S1. No. Marks (Out of 100) 68 (Out of 100) 38 49 59 66 41 32 21 54 Calculate the mean deviation of the series. 6789 1234