Below are the annual tuition charges at 8 public universities. What is the median tuition? Countdown 10

Below is a back-to-back stem and leaf plot of the weights of 39 NCSU and 38 UNC football linemen. What are the values of Q 1 for NCSU and Q 3 for UNC? #NCSUstemUNC# (5) (5) , , , , 285 Countdown 10

The side-by-side box plots below show cumulative GPAs for sophomores, juniors and seniors taking an intro stats course. The student with the lowest GPA is in what class? 1.Sophomore 2.Junior 3.Senior 4.Not enough information Countdown 10

The side-by-side box plots below show cumulative GPAs for sophomores, juniors and seniors taking an intro stats course. Which class has the greatest IQR? 1.Sophomore 2.Junior 3.Senior 4.Not enough information Countdown 10

6 people in a room have a mean age of 45; 1 person of age 40 leaves the room. What is the mean age of the 5 people still in the room? Copyright © 2009 Pearson Education, Inc.Slide Not enough information Countdown 10

Which is true of the data represented in the histogram? I. The distribution is skewed to the right. II. The mean is smaller than the median. III. The skewness will cause the median to be larger than Q 3. 1.I only 2. II only 3. III only 4. II and III only 5. I, II, and III Countdown 10

Indicate which one of the graphs represents data with a larger standard deviation or if the two graphs have the same standard deviation. A x = 1.93B x = A has a larger standard deviation than B 2.B has a larger standard deviation than A 3.Both graphs have the same standard deviation Countdown 10

The students in an intro business statistics class are taking course loads this semester with a mean of credit hours and standard deviation 2.96 credit hours. Bubba is a student in the class; his course load has a z-score of z = This means 1.Bubba is taking 1.75 more credit hours than the mean of Bubba’s credit hours are 1.75 times the mean of Bubba’s credit hours have a standard deviation of Bubba’s credit hours are 1.75 standard deviations above the mean Countdown 10

Summary statistics for the number of credit hours taken by students in an intro stats class are shown below: x=16.65, s=2.96, min=5, Q1=15, median=16, Q3=19, max=23. The college charges $73 per credit hour and a flat fee of $35. So if a student takes x credit hours, the tuition is $35 + $73x. What are the mean and standard deviation of the tuition paid by students in the intro stats class? 1.$ , $ $ , $ $ , $ $ , $ Not enough information Countdown 10

Summary statistics for the number of credit hours taken by students in an intro stats class are shown below: x=16.65, s=2.96, min=5, Q1=15, median=16, Q3=19, max=23. The college charges $73 per credit hour and a flat fee of $35. So if a student takes x credit hours, the tuition is $35 + $73x. What are the median and IQR of the tuition paid by students in the intro stats class? 1.$ , $ $ , $ $ , $ $ , $ Not enough information Countdown 10