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a) The cumulative frequency table below shows the marks earned by 1400 students in Mathematics and English 1500 1400 1300 1200 1100 English Mathematics 1000 900 800 700 600 500 400 300 200 100 10 20 30 40 50 60 70 80 90 100 Marks Using the graph above i. How many students got more than 40 marks in mathematics? How many students got between 60 and 70 marks in English? ii. Cumulative frequency

a) The cumulative frequency table below shows the marks earned by 1400 students in Mathematics and English 1500 1400 1300 1200 1100 English Mathematics 1000 900 800 700 600 500 400 300 200 100 10 20 30 40 50 60 70 80 90 100 Marks Using the graph above i. How many students got more than 40 marks in mathematics? How many students got between 60 and 70 marks in English? ii. Cumulative frequency

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question 2 a) The cumulative frequency table below shows the marks earned by 1400 students in Mathematics and English 1500 1400 1300 1200 1100 English / Mathematics 1000 900 800 700 600 500 400 300 200 100 10 20 30 40 50 60 70 80 90 100 Marks Using the graph above i. How many students got more than 40 marks in mathematics? ii. How many students got between 60 and 70 marks in English? Cumulative frequency
Transcribed Image Text:Question 2 a) The cumulative frequency table below shows the marks earned by 1400 students in Mathematics and English 1500 1400 1300 1200 1100 English / Mathematics 1000 900 800 700 600 500 400 300 200 100 10 20 30 40 50 60 70 80 90 100 Marks Using the graph above i. How many students got more than 40 marks in mathematics? ii. How many students got between 60 and 70 marks in English? Cumulative frequency
iii. Use suitable data from these graphs, use the median and interquartile range to compare the marks in Mathematics and English. b) The number of planes to arrive at the Dubai International Airport over N days were recorded and inputted into MINITAB for analysis. Exhibit 1 was subsequently generated. Exhibit 1 Stem-and-Leaf Display: No. of Arrival Leaf Unit = 1 N =* 01123 10 56899 ** 3. 0001123 (***) 6666678888 12 4 01134 7 4 57789 2 00 Calculate he missing values *, ** and *** Find the value of the i. ii. a) Median b) Highest value c) Mode c) Using the stem and leaf diagram in Exhibit 1, i. Form a frequency table by identifying the class intervals implicitly. Using the table created in 2ci) above, ii. Calculate the sample mean iii. Calculate the sample variance
Transcribed Image Text:iii. Use suitable data from these graphs, use the median and interquartile range to compare the marks in Mathematics and English. b) The number of planes to arrive at the Dubai International Airport over N days were recorded and inputted into MINITAB for analysis. Exhibit 1 was subsequently generated. Exhibit 1 Stem-and-Leaf Display: No. of Arrival Leaf Unit = 1 N =* 01123 10 56899 ** 3. 0001123 (***) 6666678888 12 4 01134 7 4 57789 2 00 Calculate he missing values *, ** and *** Find the value of the i. ii. a) Median b) Highest value c) Mode c) Using the stem and leaf diagram in Exhibit 1, i. Form a frequency table by identifying the class intervals implicitly. Using the table created in 2ci) above, ii. Calculate the sample mean iii. Calculate the sample variance
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