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An experimenter wants to know if a particular molecule is effective at reducing inflammation. The experimenter treats patients with 10 different types of inflammations. For the 10 conditions the experimenter obtains the following p-values:
p1 = 0:04; p2 = 0:36; p3 = 0:06; p4 = 0:015; p5 = 0:09
p6 = 0:0066; p7 = 0:0055; p8 = 0:02; p9 = 0:12; p10 = 0:008
Based on these p-values, would it be correct for the researcher to claim that she has significant data to support the effectiveness of the molecule? If the answer is no, how would you interpret the result and what would you suggest to the researcher.
from past experience it is known that 90 of one-year old children can distinguish their mothers voice from the voice of
A particle starts at the origin of the real line and moves along the line in jumps of one unit. For each jump the probability is p that the particle will jump one unit to the left and the probability is 1-p that the particle will jump one unit to th..
Compute Pearson's r between the life satisfaction variable and the family income variable in Table 1. Test the r for statistical significance, and draw conclusions about the meaning of the test.
Assuming we know s = 5.4, construct a 92.5 percent confidence interval for the true population mean
1. Consider the following variables and the two classification tables. Place each variable in the appropriate cell of the tables. For example, tax money is a continuous quantitative variable. Tax money is also a continuous ratio-scaled variable.
Refer to Table 7.27 in Chapter 7 with opinion about premarital sex as the response variable. Use a process (such as backward elimination) or criterion (such as AIC) to select a model. Interpret the parameter estimates for that model.
What is the probability that at least one of these four instruments is successful? - what is the chance that at least one investment will make money?
Determine the three-month and five-month centered moving average curves and superimpose each on the original time series.
in a poll of n 200 randomly selected individuals 60 people said they are opposed to the death penalty for persons
use the fact that the standard normal distribution integrates to 1 to evaluate the following integral. i.e. useintegral
Mean 504 and standard deviation 111. A sample of size 1000 is obtained from this population. What is the mean of the sampling distribution of the sample mean?
Pilot sample of 30 items indicates a sample standard deviation of 900. Determine the required sample size if the confidence level is 90%.
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