The food services department of WSS Cinema is studying the amount spent by an individualon food and drinks during his visit per day. A sample of 40 individuals who visited thecinema yesterday revealed they spent the following amounts.P145 P122142130140128139126TotalTallyP138155150148www.P180 P155195163193160190160P170178175170a. Organize the data into frequency distribution using Rule 2.b. Find the class boundaries, relative frequencies, cumulative frequency, and midpoints.Solution:ClassClassBoundariesP186185184182FrequencyP 165168165165RelativeFrequencyP200120115110CumulativeFrequency……….P100220210205Midpoints

First we create the class intervals according to the lower and upper observations. C Class…

The food services department of WSS Cinema is studying the amount spent by an individual on food and drinks during his visit per day. A sample of 40 individuals who visited the cinema yesterday revealed they spent the following amounts. P145 142 140 139 P122 130 128 126 Total P180 P138 155 195 150 193 148 190 Tally P155 163 160 160 Class Boundaries P170 178 175 170 P186 185 184 182 a. Organize the data into frequency distribution using Rule 2. b. Find the class boundaries, relative frequencies, cumulative frequency, and midpoints. Solution: Class P 165 168 165 165 Relative Frequency Frequency P200 120 115 110 Cumulative Frequency ………. P100 220 210 205 Midpoints

The food services department of WSS Cinema is studying the amount spent by an individual on food and drinks during his visit per day. A sample of 40 individuals who visited the cinema yesterday revealed they spent the following amounts. P145 142 140 139 P122 130 128 126 Total P180 P138 155 195 150 193 148 190 Tally P155 163 160 160 Class Boundaries P170 178 175 170 P186 185 184 182 a. Organize the data into frequency distribution using Rule 2. b. Find the class boundaries, relative frequencies, cumulative frequency, and midpoints. Solution: Class P 165 168 165 165 Relative Frequency Frequency P200 120 115 110 Cumulative Frequency ………. P100 220 210 205 Midpoints

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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