Problem 1. Given is a sample of measurements7,5, 14,9, 7, 11, 16, 8, 4, 7a) Find the mean 7, the median m and the modeb) Draw the dotplot for the data. How would you describe the shape of thedistribution;c) Find the sample standard deviation s of the distribution;d) Find the the z-score of the largest and the smallest of the measurements. Doesit indicates that they are unusual?;e) Construct the boxplot for the data set and confirm the answer given in d).

Sample of measurement : 7,5,14,9,7,11,16,8,4,7 We have to answer for mentioned questions.

Answered: Problem 1. Given is a sample of…

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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4. The lowest and the highest data value of a data set are 12 and 28 respectively, then the approximate standard deviation is:
QUESTION 1 a) The table below gives the frequency distribution of marks obtained by a group of students in a class test. Marks 3 4 5 6 7 8 Frequency 5 x-1 x 9 4 1 i) Find the value of x if the mean for the distribution is 5. ii) What is the modal mark. iii) Find the mean absolute deviation. iv) Find the sample variance and the sample standard deviation b) By using the phrases “correct decision” or “wrong decision”, complete the decision table for hypothesis testing below. Where the decision is wrong, state the type of error committed. DECISION H0 is false H0 is true Reject H0 Fail to Reject H0 (c) In the test of a certain hypothesis the p-value corresponding to the test statistics is 0.0316. Can the null hypothesis be rejected at the; i) 01 level of significance? ii) 05 level of significance? 10 level of significance? Justify your answers.…
1. A researcher plans to conduct a survey among students in a public high school. If the population of thisschool is 5,000, find the sample size and the percentage from the N population. (Margin of error is 5%)A = {9,10,11,7,13}B = {10,10,10,10,10}C = {1,1,10,19,19}a. Calculate the mean of each data set.b. Calculate the standard deviation of each data set.c. Which set has the largest standard deviation?
1. In a distribution of six scores, the deviations from the mean for five of the scores are +5, +3, +1, 0, and-3.What is the value of the deviation for the sixth score? 2. On the midterm exam in their anthropology course, Jan’s deviation score was +5, Kim’s was -12, andLeslie’s was 0.a) of these three, who did the best and who did the worst?b) the mean for the class was 80. What was the raw score for Jan, Kim, and Leslie?
These next questions come after part B. Which of the statements correctly describes the relationship between the mean and median in the histogram of the number of servings of fruit per day claimed by the 7474 seventeen‑year‑old girls? A) The mean and median are about equal because the distribution is right‑skewed. B) The mean is larger than the median because the distribution is right‑skewed. C) The median is larger than the mean because the distribution is right‑skewed. D) There is not enough information to tell us about the relationship between the mean and median in the histogram. (c) In general, you cannot find the exact values of median, quartiles, or mean from the histogram. What is special about the histogram of the number of servings of fruit that allows you to do this? Select an answer choice. A) We know exactly how many observations fall in each bin because of the way the bins are constructed. B) The sample size only consists of only 74…
For the sample data set from HW M0 Problem 1: (92, 97, 88, 91, 94, 94, 85, 93, 81, 85) perform the following calculations or operations with pencil and paper: 1. Estimate the standard deviation from the range using the d2 method2. Determine the quartiles.3. Calculate the IQR. 4.Calculate boxplot 5. Sketch a stem and leaf plot.
Consider a sample with data values of 57,45,50,39,50,59,60, and 48. Compute the following values a. Mode b. 40th percentile c. Variance d. Standard deviation e. Coefficient of variation
3. Here are the ages of my 13 animals (yes this is really true). Treat as a population, find the mean, variance, and standard deviation. Round to three decimal places. Hank: 0.5, Tony: 2, Janice: 2, Scar: 4, Chance: 4, Beth: 6, Josephine: 6, Sassy: 7, Moony: 7, Holyfield: 9, Jeff: 6, Corn Nut: 11, Moo Shoo: 14
Please do letter C

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