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It is hypothesized that when homing pigeons are disoriented in a certain manner, they will exhibit no preference for any direction of flight after takeoff (so that the direction X should be uniformly distributed on the interval from 0° to 360°). To test this, 120 pigeons are disoriented, let loose, and the direction of flight of each is recorded; the resulting data follows. Use the chi-squared test at level .10 to see whether the data supports the hypothesis.
a company that produces a particular machine component has 3 factories one each in buffalo detroit and pittsburgh. 27
q1. following are the scores on a teacher certification test administered prior to hiring x and the principals ratings
1. a random variable has possible values of 20 21 22 23 and 24 that are equally likely to occur.a what is the
Data analysis must be completed using a statistical software package - either Statistix for Windows, with the MegaStat add in, SPSS, SAS, R or any other legitimate software package.
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures the motivation, attitude toward school, and study habits of students. Scores range from 0 to 200.
Make a forecast for 2004, using either the fitted trend model or a judgment forecast. Why is it best to ignore earlier years in this data set?
an article gave the accompanying data on ultimate load kn for two different types of beams. assuming the underlying
Hypothesis test of the claim has been conducted and that the conclusion of the test was to reject the null hypothesis. Identify the population to which the results of the test apply.
Draw out and analyse descriptive statistics such as means, medians, ranges, deciles, etc to describe income and wealth distribution in Australia, and your ability to consider changes in wealth and income distribution over time
The Evergreen Fertilizer Company produces fertilizer. The company's fixed monthly cost is $25,000, and its variable cost per pound of fertilizer is $0.15.
allen presses the snooze button on his alarm 80 of the time. if he presses snooze he is late for work 40 of the time.
Based on probability you calculated in part a, would you conclude that more than 30 percent of Americans (18 years or older) say that figure skating is their favorite Winter Olympic event?
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