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Question 1: The number of phone calls per hour that store managers receive during the day are shown below. 3 5 6 247 49 (a) Find the median number of calls. (b) Write down the value of (i) the mode; (ii) the upper quartile. Question 2: The table below shows the heights, in cm, of students in a class, Height, z in cm 150 < x H < 100 160 < x < 170 170 ≤ * < 180 180 ≤ = <190 190 ≤ x < 200 Frequency 10 12 4 5 2 (a) State whether the data is discrete or continuous. (b) Determine an estimate for the mean height of the students, correct to the nearest cm. (c) Write down the modal class.

Question 1: The number of phone calls per hour that store managers receive during the day are shown below. 3 5 6 247 49 (a) Find the median number of calls. (b) Write down the value of (i) the mode; (ii) the upper quartile. Question 2: The table below shows the heights, in cm, of students in a class, Height, z in cm 150 < x H < 100 160 < x < 170 170 ≤ * < 180 180 ≤ = <190 190 ≤ x < 200 Frequency 10 12 4 5 2 (a) State whether the data is discrete or continuous. (b) Determine an estimate for the mean height of the students, correct to the nearest cm. (c) Write down the modal class.

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
Problem 1P
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Answer questions 1 and 2

Question 1: The number of phone calls per hour that store managers receive during the day are shown below. 3 5 6 2 4 7 49 (a) Find the median number of calls. (b) Write down the value of (i) the mode; (ii) the upper quartile. Question 2: The table below shows the heights, in cmn, of students in a class. Height, z in cm Frequency 150 < x < 100 10 160 ≤ x < 170 12 170 ≤ * < 180 4 180 ≤ = <190 5 190 < x < 200 2 (a) State whether the data is discrete or continuous. (b) Determine an estimate for the mean height of the students, correct to the nearest cm. (c) Write down the modal class.
Transcribed Image Text:Question 1: The number of phone calls per hour that store managers receive during the day are shown below. 3 5 6 2 4 7 49 (a) Find the median number of calls. (b) Write down the value of (i) the mode; (ii) the upper quartile. Question 2: The table below shows the heights, in cmn, of students in a class. Height, z in cm Frequency 150 < x < 100 10 160 ≤ x < 170 12 170 ≤ * < 180 4 180 ≤ = <190 5 190 < x < 200 2 (a) State whether the data is discrete or continuous. (b) Determine an estimate for the mean height of the students, correct to the nearest cm. (c) Write down the modal class.
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