c) The average amount of sleep, in hours, that 30 students in a Secondary (10)Two get on a weekday is given in the table.8.76493103874988.4109.6.I.Construct a frequency table for the dataI.Calculate the percentage of students who get an average of at least 8hours of sleep on a weekday.III.Find the Geometric and Harmonic Mean of the given data.67

The formula for the geometric means is (∏xi)i=1n1n=(x1·x2·x3·…·xn)1n. Here, the number of terms is…

c) The average amount of sleep, in hours, that 30 students in a Secondary Two get on a weekday is given in the table. 8. 7 4 8 9 3 10 6 3 8 7 7 4 9. 8 5 8. 4 10 9. I. Construct a frequency table for the data II. Calculate the percentage of students who get an average of at least 8 hours of sleep on a weekday. III. Find the Geometric and Harmonic Mean of the given data.

c) The average amount of sleep, in hours, that 30 students in a Secondary Two get on a weekday is given in the table. 8. 7 4 8 9 3 10 6 3 8 7 7 4 9. 8 5 8. 4 10 9. I. Construct a frequency table for the data II. Calculate the percentage of students who get an average of at least 8 hours of sleep on a weekday. III. Find the Geometric and Harmonic Mean of the given data.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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3. Displayed below is a histogram of weights of all men and women who subscribe to a workout program at the workout center here at UW-Platteville. a. Based on the graph, would you expect the mean to be (circle one): i. higher than the median ii. about the same as the median iii. lower than the median b. Explain your answer. Frequency 30 25 20 10 0 120 160 Histogram of All Weights 240 200 Weights in pounds 280 320
3:34 İ. Construct a simple frequency distribution for grouped data; display your findings in a table (number of intervals should be 5) ii. Add a column to your table with the cumulative frequency (bottom up). iii. Add a column to your table with the relative frequency. iv. Add a column to your table with the relative percent. v. Add a column to your table with the cumulative percent. vi. Construct a histogram that distributes the intervals along the horizontal scale (x-axis) and list the frequency of scores in each interval on the vertical scale vii. Construct an Ogive for this data. Grade 95 94 65 77 69 45 54 88 75 39 15 56 63 93 84 70 63 52 79 81 87 69 99 48 65 83 44 5G 91 35 57 60
Q7. The age group of people using Instagram and the number of people is given below: Age Group Number 10 – 18 18 – 26 26 – 34 34 – 42 42 – 50 50 – 58 18 24 15 14 11 8. of people Using the given data: Draw a histogram. ii. Find the number of people below the age of 26 using Instagram. iii. Which age group uses Instagram the most? iv. Find the mean of the given data. i. [1.5] [0.5] [0.5] [2.5]
10. Refer back to the histogram from question #4.(Attatched)a. Compute the mean number of shipping daysc. Write the 5-number summary for this data.d. Create box plot.
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This data was collected from the members of our class. I have tried to remove anything that would identify an individual. 1. What is the scale of each variable? 2. Construct a frequency table and chart showing the distribution across gender in this class. 3. Construct a cross tabulation with Gender in one direction and Height in the other direction. Group the height category into 5 groups. 4. Is there a difference in the age distribution across gender? 5. Give a summary of our class based on this data about our class. Gender Height Year Born Male 76 1994 Male 72 1983 Female 65 1997 Male 68 1966 Female 67 1997 Male 70 1996 Male 71 1996 Male 73 1996 Male 72 1995 Male 71 1998 Male 73 1993 Female 66 1980 Female 62 1998 Male 76 1984 Female 70 1985 Female 62 1992 Female 62 1992 Male 73 1996 Female 68 1987 Male 60 1971 Female 60 1971 Male 60 1971 Male 74 1970 Male 77 1998 Male 77 1998 Male 68 1990 Female 64 1996 Male 80 1997 Male…
Use the Histogram tool to develop a frequency distribution and histogram for the number of months as a customer of the bank in the data below. Compute the relative and cumulative relative frequencies and use a line chart to construct an ogive. Complete the frequency distribution for the months as a customer, and compute the relative and cumulative relative frequencies. (Type integers or decimals rounded to three decimal places as needed.) Bins Frequency Relative Frequency Cumulative Relative Frequency 10 enter your response here enter your response here enter your response here 20 enter your response here enter your response here enter your response here 30 enter your response here enter your response here enter your response here 40 enter your response here enter your response here enter your response here 50 enter your response here enter your response here enter your…
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Answer for b c d
The following frequency table gives the masses of 12 students in a statistics class. Mass (kg) Number of students 55 57 59 61 63 1 4 (a) Draw a frequency bar chart for the data.(Hypothetical) (b) Find, (i) the mode, (ii) the median. (c) Find the mean mass.
4. Convert the frequency histogram below to a relative frequency histogram. 7764441 +|++++o 10 20 30 40 50 60 Age (years)