Evan has surveyed their 20 classmates about the number of cars in their household and received the following data: 5 3 0 3 2 3 1 1 5 6 2 0 4 6 6 0 4 0 3 5 Construct a frequency and relative frequency distribution table: (Round the relative frequencies to 4 decimal places) Number of cars Frequency 0 1 2 3 4 5 6 Total: 2 2 4 2 3 Relative Frequency

Evan has surveyed their 20 classmates about the number of cars in their household and received the following data: 5 3 0 3 2 3 1 1 5 6 2 0 4 6 6 0 4 0 3 5 Construct a frequency and relative frequency distribution table: (Round the relative frequencies to 4 decimal places) Number of cars Frequency 0 1 2 3 4 5 6 Total: 2 2 4 2 3 Relative Frequency

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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Twenty batteries were tested to see how many hours they would last. The following grouped frequency distribution illustrates the results. Class Class Frequency Midpoint f Rel. Rel. Cummulative Cumm. Limits Boundaries Freq 1/20 = 0.05 Freq % m Freq. 1/20 = 0.05 Freq % 1- 3 0.50 – 3.5 1 4- 6 3.5 - 6.5 3 5 3/20 = 0.15 15 4/20 = 0.20 20 7-9 6.5 – 9.5 4 8 4/20 = 0.20 20 8/20 = 0.40 40 10 12 13 15 9.5 12.5 11 5/20 = 0.25 25 13/20 = 0.65 65 12.5 – 15.5 7 14 7/20 = 0.35 35 20/20 = 1.00 100 Totals 20 1.00 100 Using the data from the above grouped frequency distribution, construct a grouped frequency ogive.
In a student survey, forty-one part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 15 0.3659 15 2 12 0.2927 ? 3 ? ? 41 What percent of students take exactly one courses ? %
Consider the following partially filled frequency table: Value Frequency 0.5 1.0 2.9 Calculate the mean (to 2 d.p.). Cumulative Relative Frequency Frequency 0.2 39 100
Round your answers to three decimal places, if necessary. The results of a survey of 150 students about the type of movie they prefer are shown in the two-way frequency table. Preferred Movie Type Gender Comedy Drama Science Fiction Total Girl 22 33 15 70 Boy 28 12 40 80 Total 50 45 55 150 Complete the two-way relative frequency table for the data using decimals.
Resting Pulse: earlier this semester we determined our resting pulse. Seventy-nine individuals participated in this data collection. The mean heart rate for all individuals was 65.34 beats per minute. A random sample of 30 heart rates having a mean of 64.97 beats per minute is presented here. Build a frequency table of these data containing six (6) classes with the lower llimit of the second class at 54 beats per minute. Build a chart appropriate for the presentation of these data. Data: 49, 51, 53, 56, 57, 58, 60 , 60, 62, 62, 62, 64, 64 65, 65 , 65, 67, 68, 68, 68, 69, 70 , 70, 72, 72, 72, 72, 75, 75 , 78,
The following data set outlines the scores students had on an Algebra test. 41 42 43 43 43 43 43 44 44 44 44 45 45 45 45 i) Fill in the frequency table (below) Scores 7 6 5 4 3 2 40 43 44 45 1 39 ii) Draw a dot plot on the graph below. You do not need to show the entire column of dots, only the one on the top representing the frequency of the test score. Score 40 40 41 42 43 44 45 19 41 42 13 43 Frequency 44 45 40
2. Plot histogram and polygon diaerat! H.W(1) the data below represent workers' wages: 10 21 43 46 53 75 55 40 36 47 30 41 48 52 32 47 35 46 56 66 62 61 21 63 22 37 15 57 25 27 50 72 31 45 32 39 49 35 42 54 42 44 51 32 44 48 23 71 18 65 1. Create a frequency table. 3. Plot Ascending and descending cumulative frequency. 4. Find the number of workers who have wages less than 35$. 5. Find the percentage of the number of workers who their wages ranging are between (25-55)$.
The following data set outlines the scores students had on an Algebra test. 40 40 40 40 40 40 41 41 42 43 43 43 43 43 44 44 44 44 45 45 i) Fill in the frequency table(below) Scores Score Frequency 40 41 42 43 44 45
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Compute this measure of central tendency and explain what this means in everyday language. The frequency table is given as: X Frequency proportion percent 0 7 0.35 35% 1 4 0.20 20% 2 3 0.15 15% 3 2 0.10 10% 5 1 0.05 5% 7 1 0.05 5% 8 1 0.05 5% 9 1 0.05 5% Total 20 1 100%