Data set for ages of students in stats class:
17, 18, 18, 18, 18, 18, 18,...
Data set for ages of students in stats class:
17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19,19,
20, 20, 20, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23,
24, 25, 25, 25, 26, 26, 27, 28, 28, 28, 28, 29, 29, 32, 36, 42
1) Compute the 5-number summary and create a modified box-plot,
using the inner-quartile range to identify any outliers.
7. A group of diners were asked how much they would pay for a
meal. Their...
7. A group of diners were asked how much they would pay for a
meal. Their responses were: $7.50, $25.00, $10.00, $10.00, $7.50,
$8.25, $9.00, $5.00, $15.00, $8.00, $7.25, $7.50, $8.00, $7.00.
$12.00. a. find the standard deviation of this data. Explain what
the mean and standard deviation tell you about how much the group
of diners would pay for a meal. b. Calculate the five-number
summary for this data. c. Calculate the range and IQR for this
data. d....
Entity A leases construction machinery to local building
sub-contractors for many years. On 1 January 2014,...
Entity A leases construction machinery to local building
sub-contractors for many years. On 1 January 2014, Entity A
purchased 20 units of construction road roller. The economic life
of the road roller is 5 years. The invoice price was
$1,800,000 per unit. They were all delivered to Entity A on 1 April
2014. Installation expense of $50,000 was incurred for installing
20 units of road roller on 1 April 2014. The invoice price and the
installation expense were settled on 5...
Cassie and Amir are trying to control the number of text
messages they send. They record...
Cassie and Amir are trying to control the number of text
messages they send. They record the number they send every day in
April.
Cassie:
22, 21, 24, 20, 31, 19, 13, 23, 16, 12, 17, 15, 14, 11, 8, 24,
19, 14, 19, 27, 22, 26, 25, 20, 24,
I 8, 28, 12, 18, 22
Amir: 12, 8, 9, 3, 2, 12, 33, 28, 32, 28, 29, 13, 16, 14, 30,
26, 31, 32, 32, 13, 16, 26, 18,...