A survey taken in a large statistics class contained the question \"What\'s the

Question

A survey taken in a large statistics class contained the question "What's the fastest you have ever driven a car? ____mph." Refer to the five-number summary given. Give a numerical value for each of the following. (PLEASE SHOW ME HOW TO DO THE LAST TWO)

(a) The fastest speed driven by anyone in the class.
  mph

(b) The slowest speed driven by a male.
  mph

(c) The speed for which 1/4 of the women had driven at that speed or faster.
  mph

(d) The proportion of females who had driven 89 mph or faster.
  

(e) The number of females who had driven 89 mph or faster.
females

Males
  (87 students)   Females
  (120 students)   Median 110 89 Quartiles 95 120 80 95 Extremes 55 150 30 130

Explanation / Answer

answer
a
the Max(Males , Females)=Max(extremes)=150

b
Min(Males)=Min(Extremes of male)=55

c
the speed is above Min(Quartiles of women)
=above 80

d
89 is median so above or below of this speed 50% of the total woman

e
the 50% of total woman=120*0.5=60 woman have driven 89 MPH or faster.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.