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Homework: HW#2 - Chapter 2
Score: 0.77 of 15 pts
2.2.22
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4 of 8 (4 complete) HW Score: 19.04%, 19.04 of...
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A sample of 40 100-watt light bulbs produced by Manufacturer A and a sample of 40 100-watt light bulbs produced by
Manufacturer B were selected. The accompanying tables show these data as a pair of ordered arrays. Complete parts
a through c.
Click the icon to view the data table of lifetime light bulb hours.
950 but less than 1050
1050 but less than 1150
5
11
0
19
4
4
1150 but less than 1250
Construct a percentage distribution.
Lifetime (hours)
650 but less than 750
750 but less than 850
850 but less than 950
950 but less than 1050
1050 but less than 1150
1150 but less than 1250
(Type integers or decimals.)
b. Construct a cumulative percentage distribution.
Lifetime (hours)
650
750
850
950
1050
1150
1250
Manufacturer A Percentage
Manufacturer B Percentage
15%
0%
17.5%
17.5%
27.5%
15%
12.5%
47.5%
27.5%
10%
0%
10%
Manufacturer A
Percentage Less than
%
%
%
%
%
(Type integers or decimals.)
Enter your answer in the edit fields and then click Check Answer.
1
part
remaining
Manufacturer B
Percentage Less than
%
%
%
%
%
%
%
Clear All
Check Answer
2.2.22
Question Help
mple of 40 100-watt light bulbs produced by Manufacturer A and a sample of 40 100-watt light bulbs produc
facturer B were selected. The accompanying tables show these data as a pair of ordered arrays. Complete
Hough c.
Click the icon to view the data table of lifetime light bulb hours.
950 but less than 1050
1050 but less than 1150
1150 but less than 1250
onstruct a
5
11
0
19
4
4
Data table of lifetime light bulb hours
-
X
ercenta
Manufacturer A
Full Data Set O
Manufacturer B
663
690
709 729
731
813
819 827 833 837
742
751
751
773
783
838
845
873
910
919
790
817
845
862
864
920
921
936
951
965
(Type intege
869
870
871
903
905
966
972
981 989
989
911
921
930
946 962
997
1003
1010 1013
1015
b. Construct
994
996
1001
1030
1062
1016
Lifetime (
1079
1081.
1087
1105
1118
1100 1105
1123 1129 1130
1038
1142
1018 1022 1030 1037
1047 1075 1114 1121
1179 1190 1200 1214
an
650
750
Print
Done
850
950
1050
1150
1250
%
%
%
96
(Type integers or decimals.)
Enter your answer in the edit fields and then click Check Answer.
part
remaining
Clear All
Chack AnewN
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