# Module 5 - Unit 2: Organization of Data

## Self-Audit

For the multiple choice questions below, choose one answer, (a), (b), (c) or (d), that is CORRECT by clicking the appropriate box.
Calculators are NOT allowed unless it is indicated in the question.

## Section 2.1 - Pictograms and Bar Charts

Questions 1 and 2 refer to the pictogram below

Question 1
 How many cups of coffee were served on Friday? (A) 5 (B) 50 (C) 100 (D) None of these
Question 2
 How many cups of coffee were served on Thursday? (A) 3 (B) 20 (C) 25 (D) None of these
Questions 3 and 4 refer to the bar chart below

Question 3
 Which is the most popular sport? (A) Football (B) Tennis (C) Swimming (D) None of these
Question 4
 How many more chose the most popular sport than chose the least popular sport? (A) 6 (B) 5 (C) 4 (D) 3

## Section 2.2 - Pie Charts

Questions 5 and 8 refer to the pie chart below

Question 5
 How many of the students travel to school by car? (A) 4 (B) 8 (C) 10 (D) None of these
Question 6
 How many of the students walk to school? (A) 36 (B) 38 (C) 40 (D) None of these
Question 7
 What percentage travel to school by bus? (A) 5 (B) 6 (C) 7 (D) None of these
Question 8
 If 20 of the students walk more than 1 km, what angle in the pie chart would represent them? (A) 80°C (B) 100°C (C) 110°C (D) None of these

## Section 2.3 - Line Graphs

Questions 9 and 12 refer to the graph below which shows the temperature of water in mug, recorded every 5 minutes.

Question 9
 What was the temperature of the water after 40 minutes? (A) 30°C (B) 36°C (C) 40°C (D) None of these
Question 10
 What was the temperature of the water at the start of recording? (A) 0°C (B) 40°C (C) 80°C (D) None of these
Question 11
 When was the temperature 45°C? (A) After 20 mins (B) After 25 mins (C) After 30 mins (D) None of these
Question 12
 How long did it take for the temperature to drop from 80°C to 36°C? (A) 25 mins (B) 30 mins (C) 35 mins (D) None of these

## Section 2.4 - Stem and Leaf Plots

Questions 13 and 16 refer to the stem and leaf plot below which shows the lead concentration in samples from a number of blood donors.

Question 13
 What is the smallest value? (A) 17 (B) 18 (C) 19 (D) None of these
Question 14
 What is the largest value? (A) 60 (B) 64 (C) 65 (D) None of these
Question 15
 What is the range of the data? (A) 46 (B) 48 (C) 50 (D) None of these
Question 16
 What is the median value? (A) 28 (B) 30 (C) 31 (D) None of these

Once you are happy you have completed the audit, click the button below to mark your audit.
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You have now completed Module 5 - Unit 2 Audit
 Your overall score for this section is 0% Correct Answers You answered 0 questions correctly out of the questions in the whole audit. You answered 0 questions correctly out of the 4 questions in Section 2.1 - Pictograms and Bar Charts. You answered 0 questions correctly out of the 4 questions in Section 2.2 - Pie Charts. You answered 0 questions correctly out of the 4 questions in Section 2.3 - Line Graphs. You answered 0 questions correctly out of the 4 questions in Section 2.4 - Stem and Leaf Plots.