MAHT108X_W03 Lesson 5_Summarizing Data

W03 Lesson 5: Summarizing Data  Due  May 9 at 11:59pm    Points  15    Questions  15    Available  until May 23 at 11:59pm    Time Limit  None    Allowed Attempts  Unlimited Instructions Overview  Purpose : Learn how to use the Quantitative Reasoning Process (QRP).  Task : Read and watch videos. Take the quiz as many times as needed. Part 1: Study 1. Read  Summarizing Data Links to an external site.  use the  Summarizing Data Structured Notes   Download Summarizing Data Structured Notes  to take notes. 2. Watch or Read

 Watch:  Interpreting Data Links to an external site.  Read:  Interpreting Data Links to an external site. Part 2: Take Quiz 1. After you feel comfortable with the material above, take this quiz. 2. You can take the quiz multiple times. You will keep the highest score. 3. After you have taken the quiz at least once on your own, you can get help from your WhatsApp group if you don't know how to solve a problem. Take the Quiz Again Attempt History Attempt Time Score KEPT Attempt 6 29 minutes 15 out of 15 LATEST Attempt 6 29 minutes 15 out of 15 Attempt 5 17 minutes 14 out of 15 Attempt 4 25 minutes 14 out of 15 Attempt 3 24 minutes 14 out of 15 Attempt 2 104 minutes 13 out of 15 Attempt 1 161 minutes 12 out of 15 Correct answers are hidden. Score for this attempt: 15 out of 15 Submitted May 8 at 9:21am This attempt took 29 minutes. Question 1 1 / 1 pts Santiago is a carpenter who makes wooden chairs. The table below shows the number of chairs sold each day for two weeks. What is the mean number of chairs he sells daily? Round to 1 decimal place. Da y Number of chairs sold each day 1 5 2 7 3 3 4 3 5 8 6 14

13 15 14 0 14.6 bars sold per day There is not a median for this data. 14 bars sold per day 14.5 bars sold per day That is correct! 205 bars sold per day Question 3 1 / 1 pts The following table shows the sizes for snack boxes. Calculate the typical weight of a snack box by finding the mode of the data. Box number Weight in Grams 1 140 2 220 3 220 4 140 5 300 6 220 7 140 8 300 9 220 10 220 2120 Grams per Snack Box There is not a mode for this data. 212 Grams per Snack Box

10 Grams per Snack Box 220 Grams per Snack Box Correct! Question 4 1 / 1 pts Here are the exam scores from Sister Nelson's class. Please calculate the standard deviation. Round to two decimal places. Studen t Quiz Score 1 32 2 38 3 56 4 92 5 77 6 65 7 34 8 48 9 70 10 94 11 49 12 82 13 50 14 89 15 34 876.00 is the Standard Deviation in the Quiz Scores 21.75 is the Standard Deviation in the Quiz Scores 22.22 is the Standard Deviation in the Quiz Scores

7 43 8 32 9 83 10 31 11 98 12 72 13 83 14 58 15 72 980 is the Minimum Quiz Score 27 is the Minimum Quiz Score Correct! 98 is the Minimum Quiz Score 65.3 is the Minimum Quiz Score Question 7 1 / 1 pts Here are the quiz scores from Brother Ong's class. Please find the Maximum . Studen t Quiz Score 1 75 2 68 3 78 4 97 5 27 6 96 7 20 8 14 9 83 10 30 11 98 12 72 13 83

14 58 15 72 971 is the Maximum Quiz Score 64.7 is the Maximum Quiz Score 14 is the Maximum Quiz Score 98 is the Maximum Quiz Score Correct! Question 8 1 / 1 pts Here are the exam scores from Sister Alvarado's class. Please find the 80th percentile. Studen t Quiz Score 1 90 2 70 3 60 4 70 5 50 6 60 7 70 8 90 9 60 10 30 11 20 12 70 13 50 14 70 15 80 60.7 680

It would help Lea always prepare scarves in groups of five. It would show the most common number of scarves to order at one time. Correct! It would help Lea know the average number of scarves purchased by each person. It would tell Lea how many customers she had each day. Question 11 1 / 1 pts João works at a bank. He has calculated the the mean savings account balance at his bank is €1876. What does this number tell João about the accounts? Every person at the bank has at least €1876 in their account. €1876 is the least amount any person has in an account. €1876 is the most common amount in the accounts. €1876 is the average amount in an account. Some people will have less. Some people will have more. The €1876 is a measure of the center of the data. Correct! Question 12 1 / 1 pts Paco hears that the median age in his province is 23. What does this number tell Paco? 23 represents the most common age in Paco's province.

23 represents the highest age of any person in his province. 23 represents the average age in Paco's province. If the total of all the ages were divided by the number of people, the outcome would be 23. If all the data were put in order by size, 23 is the middle number of data. Half the data are above 23. Half the data are below 23. It reflects the center of the data . Correct! Question 13 1 / 1 pts Jose ships his purple onions worldwide. In one shipment the mean weight of an onion was 170 grams. Jose knows the count of the onions was 1376. What is the estimated weight of the total shipment in grams? 0.1235 grams in total 8.09 grams in total 233920 grams in total Correct More information needed to answer this question. Question 14 1 / 1 pts Mean, median, or mode? Which would be the most appropriate for summarizing the typical number of kilometers the students below walked to school? Studen t kilometers to school 1 1

Standard Deviation 3 John's class: Mean 75 Median 65 Standard Deviation 12 Which of the following statements is most correct? John's class likely had some outlier scores that were very high and thus the mean would be the best measure of center for his data set. John's class had some students who received very low scores, exactly 50% of his students scored less than or equal to 75%, and the scores were quite varied when compared to Heidi's class scores. The scores in John's class were more consistent than the scores in Heidi's class. John's class likely had some outlier scores that were very high, exactly 50% of his students scored less than or equal to 65%, and the scores were quite varied when compared to Heidi's class scores. Since the median is higher than the mean in Heidi's class, there were likely some outlier scores that were very high. Quiz Score: 15 out of 15