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1. The National Center for Health Statistics reports the following age breakdown of deaths in the United States during 2006. Source: The New York Times Almanac 2009, p. 392.
Age (Years) Number of Deaths (Thousands)
Construct a frequency distribution and a histogram for these data.
2. The accompanying data describe the hourly wage rates (dollars per hour) for 30 employees of an electron- ics firm:
under 15
39.80
22.66
24.39
17.31
21.02
21.61
20.97
18.58
16.61
15-under 25
34.23
19.74
21.57
20.56
22.16
20.16
18.97
22.64
19.62
25-under 35
41.93
22.05
22.03
17.09
24.60
23.82
17.80
16.28
19.34
35-under 45
84.79
22.22
19.49
22.27
18.20
19.29
20.43
45-under 55 183.53
55-under 65 275.30
65-under 75 398.36
75 or over 1389.83
Identify the following for the 45-under 55 class:
(a) frequency, (b) upper and lower limits, (c) width, and (d) midpoint.
the national freshman-to-sophomore retention rate has held steady at 74. a certain college has 499 of the 585 freshman
A "one-shot" device can be used only once; after use, the device (e.g. a nuclear weapon, space shuttle, automobile air bag) either is destroyed or must be rebuilt.
In an effort to control costs associated inventory management, a study was conducted on the relationship between sales (X, in billions of US dollars) and inventory levels (Y, in billions of US dollars), with a random sample of size 20. You are ass..
major league baseball mlb uses a best of 7 series to determine the winner for the finals the winner must win 4 games.
let x1 x2...xn be independent and no1 distributed. let sn x21...x2n. show that sn is a random variable x2-distributed
please answer the question in full providing any relevant equations or diagrams used to come to a final answer.a in a
run a regression analysis on the following data set with y as the response
consider the following data set and fill in the blanks in the statements below1.5 2.9 4.9 6.5 6.9 7.0 7.0 7.6 7.7
in a certain rural area of new york state 80 of drivers use chains on the car tires for winter driving. 60 of drivers
Primary healthcare workers believe that anaphylactic shock reaction to immunization injections occurs with children in one case in two thousand.
A machine for making nuts is known to create nuts with a standard deviation in size of 0.20mm. A tradesman is required to adjust the machine to make 49mm nuts.
While 3% of the cellular calls with company B will have interference. Given that a randomly selected cellular call is that has interference, what is the probability it came from company A.
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