Mathematics, 05.05.2020 23:43 renaudciera
. In an agronomy experiment peanuts with shriveled seeds were crossed with normal peanuts.1 The genetic model that the agronomists were considering predicted that the ratio of normal to shriveled progeny would be 3:1. They obtained 95 normal and 54 shriveled progeny. Do these data support the hypothesized model? Consider the two hypotheses H0 : p = 3/4 and HA : p 6= 3/4, and a significance level α = 0.01. You are going to perform the test in two equivalent ways. (a) A χ 2 test: compute the expected number of observations e1 and e2 under the null hypothesis, compute the chi-squared statistic, anc compare it with a critical value; also find the p-value. (b) A two-sided test of proportions; compute the p-value as well: you should get the same p-value as in part (a).
Answers: 2
Mathematics, 21.06.2019 19:30
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Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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. In an agronomy experiment peanuts with shriveled seeds were crossed with normal peanuts.1 The gene...
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