Problem 1 :
For set of values, find
a) Minimum value b) Maximum value
c) the median d) the lower quartile
e) the upper quartile f) the range
g) the interquartile range
Problem 2 :
The weight in kilograms of a particular brand of bags of fire wood is stated to be 20 kg, however some bags weight more than this and some weigh less. A sample of bags is carefully weighed and their weights are given in the ordered stem and leaf shown.
a) Locate the median, upper and lower quartiles and maximum and minimum weights for the sample.
b) Find interquartile range and range.
Problem 3 :
For set of values, find
a) Minimum value b) Maximum value
c) the median d) the lower quartile
e) the upper quartile f) the range
g) the interquartile range
Problem 4 :
The heights of 20 ten year olds are recorded in the following stem and leaf plot.
a) Find
i) Median height
ii) Upper and lower quartiles of the data.
1) a) Minimum value = 20
b) Maximum value = 58
c) Median = 40
d) the lower quartile Q1 = 30
e) the upper quartile Q3 = 49
f) the range = 38
g) the interquartile range = 19
2)
Median = 20.2
Lower quartile (Q1) = 19.8
Upper quartile (Q3) = 20.1
b) Interquartile range = 0.3
Range = 3.5
3) a) Minimum value = 3
b) Maximum value = 42
c) the median = 20
d) the lower quartile Q1 = 13
e) the upper quartile Q3 = 29
f) the range = 39
g) the interquartile range = 16
4) Median = 124, Q1 = 114, Q3 = 131
Problem 1 :
a) Determine the minimum value, maximum value and range of the data.
b) How many values are greater than 190?
c) How many values are less than 151?
Problem 2 :
a) Determine the minimum value, maximum value and range of the data
b) How many values are greater than 163?
c) How many values are less than 177?
Problem 3 :
For the following sample of weights (in kg) of year 10 students, find
a) the minimum weight
b) the maximum weight
c) the percentage of students with a weight less than 48 kg.
Problem 4 :
For the data set given, find
a) the minimum value b) the maximum value
c) the median d) The lower quartile
e) the upper quartile f) the range
g) the interquartile range.
1) a) Minimum value = 136
Maximum value = 228
Range = 92
b) There are 7 values greater than 190.
c) 5 values are lesser than 151.
2) a) Minimum value = 121
Maximum value = 218
Range = 97
b) There are 18 values greater than 163.
c) 12 values are lesser than 177.
3)
a) Minimum weight = 32
b) Maximum weight = 91
c) 20%
4)
a) the minimum value = 3
b) the maximum value = 42
c) the median = 20
d) Lower quartile = 13
e) upper quartile = 29
f) Range = 39
g) the interquartile range = 16
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM