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Like planned activities Do not like planned activities Not sure No answer 24 a. What is the table called? b. Draw a bar chart to portray the survey results. c. Draw a pie chart for the survey results d. If you are preparing to present the results to Ms. Damonte as part of a report, which graph would you prefer to show? Why? 26. Speedy Swift is a package delivery service that serves the greater Atlanta, Georgia, met- ropolitan area. To maintain customer loyalty, one of Speedy Swifts performance objec- tives is on-time delivery. To monitor its performance, each delivery is measured on the following scale: early (package delivered before the promised time), on-time (package de- livered within 5 minutes of the promised time), late (package delivered more than 5 min- utes past the promised time), lost (package never delivered). Speedy Swifts objective is to deliver 99% of all packages either early or on-time. Another objective is to never lose a package. FILE, please visit e.com/lind16e Speedy collected the following data for last months performance: time On-time Early On-time On-time On-time On-time Late On-time On-time On-time On-time Early On-timeOn-timeLate On-time On-time On-time On-time On-time On-time On-timeOn-time Early On-time On-time On-time On-time On-time On-time On-timeEarly On-time On-time On-time On-time On-time On-time On-time On-time Early time Late On-time Lost On-time On-time On-time On-time On-time On-time On-timeLate On-timeOn-limeLate -time On-timeEarly On-time Eary On-timeEarly On-time On-lime On-time On-time On-time On-timeLate On-timeEarly -time n-time On-time On-time On-time Early On-time On-time On-time a. What scale is used to measure delivery performance? What kind of variable is delivery performance? b. Construct a frequency table for delivery performance for last month.
43 ESCRIBING DATA: FREQUENCY TABLES, FREQUENCY DISTRIBUTIONS, AND GRAPHIC PRESENTATION c. Construct a relative frequency table for delivery performance last month. d. Construct a bar chart of the frequency table for delivery performance for last month e. Construct a pie chart of on-time delivery performance for last month. f. Analyze the data summaries and write an evaluation of last months delivery perfor- mance as it relates to Speedy Swifts performance objectives. Write a general recom- 27. A data set consists of 83 observations. How many classes would you recommend for a 28. A data set consists of 145 observations that range from 56 to 490. What size class interval 29The following is the number of minutes to commute from home to work for a group of mendation for further analysis. frequency distribution? would you recommend? 25 automobile exeoutives. or DATA FILE, please visit 6e 28 25 48 37 4 19 32 26 16 23 23 29 36 31 26 1 32 25 31 43 35 42 38 33 28 a. How many classes would you recommend? b. What class interval would you suggest? G. What would you recommend as the lower limit of the first class? d. Organize the data into a frequency distribution. e. Comment on the shape of the frequency distribution. 30. The following data give the weekly amounts spent on groceries for a sample of 45 households. or DATA FILE, please vist 16e $271 $363 $159 $76 $227 $337 $295 $319 $250 303 335 279 205 279 266 192 181 321 309 246 278 116 100 151 240474 297 170 188 320 429 162 s0 199 177 162 232 278 A74 735 0 29 474 294 342 123 a. How many classes would you recommend? b. What class interval would you suggest? c. What would you recommend as the lower limit of the first class? d. Organize the data into a distribution
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Measuring scale used is Ordinal scale. This scale is used for qualitative data that cannot be expressed in numbers. The performance can be ranked as well, that is the reason why ordinal scale is ssued for it Parta Partb Catego Frequen Part c) Category Frequency Relative Frequen Late On-time Earl Lost 9/100 0.09 67/100 0.67 22/100 0.22 2/100-0.02 9 Late On-time Earl Lost 9 0.09 0.67 0.22 0.02 67 67 2 2

.

Part d Parte Frequency Lost Frequency 2% Lost Late 9% Early 22% Early Frequency On-time On-time 67% Late 0 20 40 60 80

.

part f)

The first objective of the company is that 99% of the delivery should be on time

But we observe that 9% of the parcels are still delivered late

hence this objective is not met

Another objective is that no parcel should be lost

But 2% of the parcels are lost

Hence this objective of the company is also not met

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