The following 10 scores were input in the gradebook for Prof. Harris's class. 75, 77, 77, 88, 89, 92, 93, 94, 97, 185
Complete the parts below to identify any outliers.
(a) Let Q, be the lower quartile and Q; be the upper quartile of the data set. Find Q, and Qz for the data set.
9,- 0
93-0
х
5
?
(b) Find the interquartile range (IQR) of the data set.
IQR-
$
?
(C) Calculate a lower boundary using Q, -1.5-IQR. Calculate an upper boundary using +1.5-IQR. (Note that 1.5-IQR means 1.5 times the IQR.)
Lower boundary:
Upper boundary:
х
?
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72 is the answer to this problem

fwms@lil_ben06

step-by-step explanation:

1. sometimes

2.   never

3   .08c = 7.50+.05c   250 pages

step-by-step explanation:

1.   sometimes

the theoretical probability of rolling a 1 is 1/6.   perhaps you got really lucky and never rolled a 1   in those 60 times.   your experimental probability is 0.   or perhaps you rolled a 1   20 times.   your experimental probability is 20/60 is 1/3.     it really just depends on how you rolled in that experiment.

2.   never

the probability of the event occurring is 1.   that is being 100 % sure it will happen.   that is the maximum amount of confidence we have.

3.   no customer card cost:   .08 times number of pages

customer card cost:   7.50 + .05 times number of pages

we want to find when it costs the same amount, so we will set these equal

let c = number of pages

.08c = 7.50+.05c

subtract .05c from each side

.08c-.05c = 7.5+.05c-.05c

.03c=7.5

divide each side by .03

.03c/.03 = 7.5/03

c =250  

the cost is the same at 250 pages