mcan median and standard deviation from the following data :X Problem 16: Calculate the coefficient of skewness based, onVariableFrequencyVariableFrequency100-1104140-150110-1201664150-16040120-130130-14036160-170170-180325211

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Answered: mean median and standard deviation from…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.6: Rational Functions

Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.

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A tool and die maker grinds a pin to an 18.25-millimeter diameter as shown in Figure 29-13.The pin is to be pressed (an interference fit) into a hole. The minimum interference permittedis 0.03 millimeter. The maximum interference permitted is 0.07 millimeter. Determine the mean diameter of the hole. All dimensions are in millimeters.
I. Solve for Z and find its area 1. Mean = 81, score: x = 71.5, standard deviation: o = 9. 2. Mean = 47, score: x = 55.6, standard deviation: o = 4. 3. Mean = 68, score: x = 78.8, standard deviation: o = 6. 4. Mean = 51, score: x = 69, standard deviation: o =7. 5. Mean = 85, score: x = 93, standard deviation: o =5. 6. The mean expenses of Dela Cruz Family is PhP12,600 every 15 days and the standard deviation is PhP 1, 570., If the expenses are normally distributed, what is the probability of consuming less than PhP 11,000 in 15 days? 7. The mean production of factory workers is 10 finished products per hour, with a standard deviation of 1.5 products/hour. What is the probability of finishing: a. less than 12.8 products/hour? b. more than 12 products/hour? 8. The mean weight of insects for laboratory experiments is 13.2 g, with the standard deviation of 0.8 g. What is the probability of randomly selecting insects with weight of: a. 14 g? b. 13.1 to 13.6 g? 9. The lifetime of CP…
Question 2 Let X be a test score for a test. The standard deviation of X is 7 and the mean of X is 19. The standard error of measurement of the test score X is reported to be 3. What is the test reliability?
Use the given information to answer subquestion 1.a, 1.b, and 1.c
Problem # 6 Assuming that the incubation time for Florida Red chicks is normally distributed with a mean of 22 days and a standard deviation of 3 days, answer the questions below: 6A. 6B. 6C. 6D. Draw the normal curve to represent this data. Label the mean and the standard deviations along the top of the curve. Be sure to include a line along the bottom. Shade in the area that covers 2 standard deviations to the left and the right of the mean. If 1000 eggs are incubated, how many chicks do we expect will hatch in 19 to 28 days? 6B. What percentage of these 1000 incubated eggs do we expect will hatch in 16 days or fewer? 6C. What percentage of these 1000 incubated eggs do we expect will hatch after 25 days? 6D.
PROBLEM 1: According to the Commission on Higher Education, College professors work for an average of 43 hours per week during a semester. A dean of Universify X surveys 25 randomly selected professors and found out that they work for an average of 45 hours a week with a standard deviation of 7 hours. Test if the mean number of professors' work hours worked recorded by the dean of University X differs from the recorded national average. Use a = 0.01 Formulate the hypothesis 1. Ho: 2. HA: 3. Given: 5. Solve for t: S = n = a = 4. Test statistics: 7. d. f. = 8. Solve the critical value (te) 6. t = 10. 9. Te
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Questions A and B. Please!
Please help solve question 4 attached in picture.
Problem 2.2: Mean and standard deviation of 25 items is found to be 15 and 2. But later or it was discovered that one item was taken as 20 instead of 30. Find the correct mean and correct standard deviation.
EX 3: find The RANGE, VARIANCE, AND STANDARD DEVIATION for data in table 3.3. Table 3.3 Age Frequency 5-14 750 15-24 2005 25-34 1950 35-44 195 45-54 100
Question 7 of 10 Calculate the sample standard deviation for this data set: 58, 60, 74. The formula for the sample standard deviation is shown, where n represents the sample size, x represents each value in the data set, and x represents the sample mean. I (x – x)² S = n - 1 Step 1. Calculate the sample mean. x = Step 2. Calculate the deviations and the squares of the deviations. deviation of 58 = square of deviation of 58 = about us careers privacy policy l terms of use |contact us help

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mean median and standard deviation from the following data : X Problem 16: Calculate the coefficient of skewness based, on Variable Frequency Variable Frequency 100-110 110-120 4 140-150 16 64 150-160 40 120-130 130–140 36 160-170 170-180 32 52 11