Find out mean diviation and its co-efficient (For mean) fromthe following information:MarksNo. of students0-545-106.10-151015-201220-25825-301530-351235-401540-451245-506

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Answered: Find out mean diviation and its…

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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Example 11. Find the mean deviation from (i) mean and (ii) median for the following data: Marks : 20 18 16 14 12 10 8 6 No. of Students : 2 4 18 27 25 14 1 Also calculate coefficient of variation.
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Summarize your data in the table (see attached) Compute for the mean. Present your data in a table (an example is shown below) to be presented in the ‘Results and Discussion’ section of your output. GENDER Phy MIDTERM GRADE FINAL GRADE AVERAGE GRADE Com MIDTERM GRADE FINAL GRADE AVERAGE GRADE FEMALE 91 91 91 99 87 93 FEMALE 89 92 91 87 85 86 MALE 88 72 80 90 92 91 FEMALE 94 94 94 86 92 89 MALE 87 79 83 89 86 88 MALE 82 81 82 88 86 87 MALE 79 72 76 87 88 88 MALE 81 84 83 83 73 78 MALE 89 88 89 82 95 89 FEMALE 94 84 89 86 76 81 FEMALE 90 89 90 86 93 90 FEMALE 92 88 90 83 80 82 FEMALE 93 94 94 95 95 95 MALE 91 91 91 93 94 94 FEMALE 93 89 91 88 81 85 FEMALE 92 94 93 94 91 93 FEMALE 92 95 94 98 97 98 FEMALE 95 92 94 90 98 94 FEMALE 90 92 91 89 99 94 FEMALE 92 86 89 90 98 94 FEMALE 94 95 95 98 96 97 FEMALE 91 92 92…
The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the past five years are shown below. 36 49 16 18 33 99 45 31 26 22 Mean Median Mode 65 12 Descriptive Statistics 26 52 1 11 25 the mean is 61 1 Data 8 Click here for the Excel Data File (a) Find the mean, median, and mode. (Round your answers to 2 decimal places.) 19 50 24 (b) Are the mean and median about the same? 4 85 18 30 the median.
Q4: find the mean, the model, the variance and the standard deviation for the frequency distribution of profit where the data is represented the number of (35) product that sold during one day? Class limits frequency 13-19 2 20-26 7 27-33 12 34-40 5 41-47 6. 48-54 1 55-61 62-68 2
According to a recent article about individuals who have credit cards, the mean number of cards per person with credit cards is 4.5. To test this result a random survey of 60 individuals who have credit cards was conducted. The survey only includes the number of credit cards per participant. The results of the survey are attached below. (a) What is the variable of interest in this study? Is it qualitative or quantitative? (b) Do the results of the survey imply that the mean number of cards per individual is less than 4.5? Use the a = 0.05 level of significance. E Click the icon to view the data from the survey. (a) What is the variable of interest in this study? Is it qualitative or quantitative? The variable of interest is number of credit cards.It is a quantitative variable. (b) Do the results of the survey imply that the mean number of cards per individual is less than 4.5? Use the a = 0.05 level of significance. State the null and alternative hypotheses. Họ: H = 4.5 < 4.5 H1: H…
The distribution of number of goals scored per match in the 15 home and 14 away matches so far this season for one team in the English Premier Soccer League is shown below. HOME AWAY 2 4 Goals Scored Per Match Which of the following statements is true? (A) The mean number of goals scored in AWAY matches is less than the mean number of goals scored in HOME matches. (B) The range of goals scored for AWAY matches is greater than the range of goals scored for HOME matches. (C) The shape of the distribution of HOME goals scored is left-skewed. (D) The median number of goals scored for AWAY matches is more than the median number of goals scored for HOME matches. (E) The number of AWAY matches in which the team scored three or more goals is three.
1. Kindly help me to answer this problem with complete solution. Thank you’
Q6/ Calculate mean, variance and standard deviation of following table: classes frequency 1-10 11 10-20 29 20-30 18 30-40 4 40-50 50-60 3
Q1/The following table represents the number of lectures on engineering statistics for the second stage, the Department of Electrical Engineering, distributed throughout the week. Required: Find the weighted arithmetic mean and squared mean and indicate the days of the lecture? number of lectures 4 30-40 40-50 50-60 60-70 70-80 80-90 90-100 6 8 4 6 4 8
Students in an experimental psychology class did research on depression as a sign of stress. A test was administered to a sample of 30 students.The scores are shown below. 43 50 10 92 77 35 64 36 42 72 53 62 35 75 50 D 72 36 28 38 61 48 63 35 41 21 36 50 47 86 14 To find the 10% trimmed mean of a data set, order the data, delete the lowest 10% of the entries and the highest 10% of the entries, and find the mean of the remaining entries. Complete parts (a) through (c). (a) Find the 10% trimmed mean for the data The 10% trimmed mean is- (Round to the nearest tenth as needed.) (b) Compare the four measures of central tendency, including the midrange. Mean = (Round to the nearest tenth as needed.) Median = Mode = (Use a comma to separate answers as needed.) The midrange is found by the following formula. (Maximum data entry) + (Minimum data entry) 2 Midrange = (Round to the nearest tenth as needed.) (c) What is the benefit of using a trimmed mean versus using a mean found using all data…
a. Use a = 0.10 to test for a statistically significantly difference between the population means for first- and fourth-round scores. What is the p-value? t-value (to 3 decimals) Degrees of freedom p-value is greater than 0.20 What is your conclusion? There is no significant difference between the mean scores for the first and final rounds. b. What is the point estimate of the difference between the two population means? (to 2 decimals) For which round is the population mean score lower? First round c. What is the margin of error for a 90% confidence interval estimate for the difference between the population means? (to 3 decimals) Could this confidence interval have been used to test the hypothesis in part (a)? Yes Explain. Use the point of the difference between the two population means and add and subtract this MOE. If zero is in the interval the difference is not statistically significant. If zero is not in the interval the difference is statistically significant.

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Find out mean diviation and its co-efficient (For mean) from the following information: Marks No. of students 0-5 4 5-10 10-15 10 15-20 12 20-25 8 25-30 15 30-35 12 35-40 15 40-45 12 45-50