A group of incoming freshmen were randomly assigned a mentor for their first year. The mentors were either faculty members or senior students. At the end of the first year, class attendance and grades were compared for students under each type of mentor. Better attendance and grades were were recorded for students with student mentors. (a) Was this an experimental or observational study? Explain.it (b) Can we conclude that student mentors were more effective in inspiring higher grades and better class attendance than faculty mentors? Why or why not?

Q: 24. Find d²4 zP 2. xp 4=3x² +34-8

A: Differentiate two times

Q: Evaluate. (32-22) + 2 O 10 O 10 O 5 O 5

A: use BODMAS to simplify the expression.

Q: The number of guest represented is not 85

A: Min  = 15Q1 = 30Median = 45Q2 = 55Max = 100

Q: The data shown below consists of the price (in dollars) of 7 events at a local venue and the number…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Add the Practons. Simplly if possible + lea+9 t.

A:

Q: Find x. * 15 6,

A:

Q: Blank of 80 is 50

A: Blank of 80 is 50

Q: what two numbers mulitplied give you 225

A: Given that , the number is 225. Note that, the number 225 is perfect square of 15. The prime factors…

Q: Find the class boundaries , midpoint and class width for the class          125 ------ 131

A: Class interval=(125 , 131)

Q: Simplify. - V4 = 0

A:

Q: | 2 0.32

A: The given distribution is, X 2 3 4 P(X) 0.32 0.48 0.20

Q: Simplfy Lnote d #0 £#0₁9+0) (2679₁) (36²-fªg(6) борода 3d5f4gb)

A: we know that   ax×ay=ax+ylet  A=(1d6f5g4)(3d5f4g6)