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The distribution of blood types in the United States is as follows, where positive and negative refer to the Rhesus (Rh) factor:
O-positive: 37%
O-negative: 7%
A-positive: 35%
A-negative: 6%
B-positive: 9%
B-negative: 2%
AB-positive: 3%
AB-negative: 1%
a) Are blood types A qualitative or quantitative variable? Explain.
b) Help make a frequency table and pie chart showing the percentage of each major blood type, ignoring Rh factor.
an artist sells her works at the east lansing art festival. suppose that 5 of those who stop by her booth will buy a
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Test the claim at a = 0.05 that µ >15. A sample size of 30 yields a sample mean of 17.5 and a sample standard deviation of 5.
Researchers might explore the question of the effect of work habits on marriage in a variety of ways. Tell whether each of these possible designs features
Define an appropriate probability model (feel free to bounce ideas during office hour to make sure you are in the right track).
the u.s. bureau of labor statistics produces consumer price indexes for several different categories. shown here are
a) What type of research uses numeric measurement data? b) What type of research uses a research hypothesis? c) What type of research does not use statistical data analysis?
Assume each shot is independent of the others. If she shoots 6 arrows, what's the probability of each of the following results?
What example of activities that could be undertake to achieve the goal of increasing customer satisfaction
Is it possible to provide a meaningful interpretation of the intercept of the sample regression line? Explain.
A truck driver is waiting to join the traffic on the service road of a highway. The truck driver blocks the service road for four seconds when he joins the traffic.
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