Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Question 4 Not yet answered Marked out of 1.00 V Flag question Tllllllllll 012345678910 Time (hours) The parallel boxplots above display the distribution of the
Question 4 Not yet answered Marked out of 1.00 \\V Flag question Tllllllllll 012345678910 Time (hours) The parallel boxplots above display the distribution of the times spent doing mathematics homework (in hours) by two groups of students, one in Year 10, the other in Year 12. Which of the following statements are true? I The median time spent doing mathematics homework is clearly higher for Year 12 students than for Year 10 students. ll Time spent doing mathematics homework is more variable for Year 12 students than Year 10 students. Ill The distribution of time spent doing mathematics homework is symmetric for Year 10 students but is negatively skewed for Year 12 students (if the outliers are not considered). Select one: Q A. | only O B. H only (Q C. |, II and III A l-\\ I _._-I II _._I.. Question 2 Answer saved Marked out of 1.00 \\V Flag question The variables profit made and amount spent on advertising are strongly correlated with a correlation coefficient r = 0.86. From this information, we can conclude that: Select one: Q A. increasing spending on advertising will increase profits. (9 B. increased spending of advertising are associated with increased profits. O C. the amount spent on advertising by a business is 86% of its profit. 0 D. increasing spending on advertising will decrease profits. Clear my choice
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started