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These data represent the number of students attending a high school.
Year Number of Students
1985 212
1986 295
1987 352
1988 401
1989 473
1990 519
1991 602
(a) Draw a line graph for the data.
(b)Use the line graph to predict how many students enrolled in 1992.
Part 2:
Solve the following linear inequality graphically.
x+2y<4
x-y<5
The χ 2 statistic from a contingency table with 6 rows and five columns will have:
Determine probability of 0 nonconforming units on first sample and 2 nonconforming units on second? First gasket selected is returned to lot before the second one is selected.
Each vehicle had the gallon of gas added to the empty tank and then driven until empty. Number of miles travelled for all twelve readings are below. Use data to compute the mean and median mileages.
a) Under what circumstances can z be greater than one? b) Under what circumstances can a probability be greater than one?
Rhe frequency distribution summarizes a sample of times (in minutes) between eruptions of a cretain geyser. Find the approximate population mean and approximate population standard deviation of the data.
Determine equation in point-intercept form for line that goes through points (8,-1) and (4,3).
Which of the following measures only the strength of a relationship?
Suppose the Internal Revenue Service is studying the category of charitable contributions. A sample of 26 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000.
Based on its 1999 survey, Student Monitor reports that 20% of U.S. college students used the Internet for job hunting during the month preceding the survey.
At.05 significance level, can we conclude that larger proportion of the agents think the economy is expanding this month?
A box contains four tickets, one marked with a star and the other three blank. One draw is made from this box at random.
The mean annual salaries paid to male and female employees of the company were EURO 32.000,- and 24.000,- respectively. Determine the percentage of males and females employed by the company.
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