TM ll55I 1:32local_media389..АCTIVITYMeasure of Central TendencyGeneral Direction: Show your complete solution for the computation of mean, assumed mean, median and mode. Use aseparate sheet of paper.1: The table below shows the weight of 100 Biology Students in University of Northern Philippines.No. of Biology Students (f)Weight (in pounds)122 - 1299130 – 137138 – 1451720146 - 15316154 - 161162 - 16911170 - 177178 - 185186 - 1934194 - 20132. The table below shows the costs of photocopying spent by 125 students per week.cost20-3940-599.60-791080-9922100-11920120-13919140-15915160-17910180-1998200-21973. The frequency distribution below shows the daily allowances of 200 students.Allowance (Php)200-239f240-27914280-31919320-35932360-39943400-4393229440-479480-51910520-5598560-5994

As per the Bartleby guildlines we have to solve first question....... Given that We have to find…

Answered: АCTIVITY Measure of Central Tendency…

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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The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the past five years are shown below. 38 48 22 69 24 15 53 14 48 1 13 42 42 99 30 18 12 53 19 2 17 26 93 25 16 20 Click here for the Excel Data File (a) Find the mean, median, and mode. (Round your answers to 2 decimal places.) Descriptive Statistics Data Mean Median Mode (b) Are the mean and median about the same? (Click to select) Yes No , the mean is (Click to select) greater than less than the median. (c) Is the mode a good measure of center for this data set? Yes No (d) Is the distribution skewed? Yes, the distribution is skewed left. No, the distribution is symmetric. Yes, the distribution is skewed right.
(c) Determine if the means of samples 1 and 2 overestimate, underestimate, or are equal to the population mean. The mean pulse rate of sample 1 the population mean. The mean pulse rate of sample 2 the population mean.
How Purchases Are Made Frequency, The responses of a sample of 5319 shoppers who were asked how their purchases are made are shown in the table. Find the mean, the median, and the mode of the data, if possible. If any measure cannot be found or does not represent the center of the data, explain why. Research online and in 2294 store, buy in store Search and buy online 1154 Search and buy in store 814 Research online and in 1057 store, buy online Find the mean. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mean is (Round to one decimal place as needed.) B. The mean cannot be calculated because the sample size is too small. C. The mean cannot be calculated because the data are at the nominal level of measurement. D. The mean cannot be calculated because there is an even number of data entries.
Light bulb lifetime. Find the mean and median for the data in the following table. Interval Frequency The mean is 799.5-899.5 The median is (Round to two decimal places if needed.) 899.5-999.5 8 Life (Hours) of 50 Randomly Selected Light Bulbs 999.5-1,099.5 21 1,099.5-1,199.5 10 1,199.5-1,299.5
The scatterplot below shows the mean cost of an oil change for Sadie's car during each of the last 10 years. Mean Cost of Oil Change Mean Cost (dollars) 000 25 A 20 B 15 Year Using the points (2, 15) and (7, 21), what is the best estimate of what the mean cost of an oil change willbe car for Sadie's car when it is 12 years old? 10 ➤X 0 1 2 3 4 5 6 7 8 9 10 Response 3* $25 III $27 C $29 40 $31 3 points
For each of the states and Puerto Rico, the histogram below shows the average property damage (in millions of dollars) caused by tornadoes over a 50 year period. Which of the following statements is TRUE with regards to the relationship between the mean and the median? Average Tornado Damage for the 50 States and Puerto Rico (1950-1999) Average property damage (Smallions) O The median is greater than the mean. The median is less than the mean. O There is no way of knowing what kind of relationship the mean and median have. O The median is equal to the mean.
You are researching campus crime for one of your classes. While doing your research you find the data below, representing the number of campus crimes for a year, per 1000 students, from a sample of 20 campuses. You decide to apply what you have learned in your statistics class to better understand the data. {64 138 141 84 86 141 135 174 201 203 125 234 143 148 152 158 174 84 173 193} Your professor is interested in how accurate you are in the calculation of the mean. To help her understand how close you are, and describe possible errors, you construct a confidence interval for the campus crime sample data. a. Construct a 95% confidence interval for the mean of all college crimes. Round to one decimal place. Write this in inequality form with units. b. Interpret your confidence interval. c. What should be your response if you were told that the actual mean number of college campus crimes as 125 per year? What two things might have occurred? I don't understand part C, so if you could…
Find the mean, the median and the mode of the given data set. (Round your answers to four decimal places. If there is more than one mode, enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) S = {45, 45, 60, 70, 75, 75, 85} mean median mode
Calculation of a mean is most appropriate for which of the following sets of data? Attitudes of graduate nurses toward the elderly measured by axillary temperature Ranking of nursing students by clinical instructors according to perceived technical ability. Percent of nurses in each specialty area.
44 35 40 44 44 39 40 47 45 45 44 44 46 Find the mean cost. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The mean cost is (Round to one decimal place as needed.) B. There is no mean cost. Does the mean represent the center of the data? A. The mean represents the center. B. The mean does not represent the center because it is the largest data value. C. The mean does not represent the center because it is not a data value. D. The mean does not represent the center because it is the smallest data value. OE. There is no mean cost. Find the median cost. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The median cost is (Round to one decimal place as needed.) OB. There is no median cost. 40 0 0 0 O
Stocks and Sunspots. Listed below are annual high values of the Dow Jones Industrial Average (DJIA) and annual mean sunspot numbers for eight recent years. Use the data for Exercises 1–5. A sunspot number is a measure of sunspots or groups of sunspots on the surface of the sun. The DJIA is a commonly used index that is a weighted mean calculated from different stock values. Data Analysis Use only the sunspot numbers for the following. a. Find the mean, median, range, standard deviation, and variance. b. Are the sunspot numbers categorical data or quantitative data? c. What is the level of measurement of the data? (nominal, ordinal, interval, ratio)
The table available below shows the weights (in pounds) for a sample of vacuum cleaners. The weights are classified according to vacuum cleaner type. At a = 0.10, can you conclude that at least one mean vacuum cleaner weight is different from the others? E Click the icon to view the vacuum cleaner weight data. Let PBu, PBLU. and HTC represent the mean weights for bagged upright, bagless upright, and top canister vacuums respectively. What are the hypotheses for this test? O A. Ho: Peu = HBLU "HTC Ha: HBu * HBLU HTC Weight of Vacuum Cleaners by Type B. Ho: At least one of the means is different. Hg: PBu = HBLU =HTC O C. Ho: HBU PBLU HTC Bagged upright 21 20 18 15 23 24 16 24 Bagless upright Top canister 17 18 20 18 Hg: HBu = HBLU =HTC 23 22 24 26 20 23 O D. Ho: HBU HBLU FHTC Ha: At least one of the means is different. What is the test statistic? Print Done F= (Round to two decimal places as needed.) What is the P-value? P-value = (Round to three decimal places as needed.) What is the…

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