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In the graph, a sample
Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equal
A.
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asked by
arelis
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sample of size n=39 has sample mean x=55 and sample standard deviation s=5.8. (a) Construct a 95% confidence interval for the
1 answer
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sample of size n=38 has sample mean x=58 and sample standard deviation s=7.6. (a) Construct a 99% confidence interval for the
1 answer
71 views
To make valid statistical inferences from a sample to a population, you use:
a judgement sample a quota sample a convenience
1 answer
94 views
Two samples of double-stranded DNA have been prepared. Nucleotide analysis reveals that sample 1 is found to be 21% A, while
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asked by
Kate
913 views
The function f (x) = 735 (1/2)^x models the number of grams in a sample of a radioactive substance after x years. Which
3 answers
83 views
Federico has two samples of pure water—sample X and sample Y. Sample X has a volume of 1 L, and sample Y has a volume of 10 L.
1 answer
37 views
Federico has two samples of pure water—sample X and sample Y. Sample X has a volume of 1 L, and sample Y has a volume of 10 L.
1 answer
39 views
QUESTION 11
Which of the following sampling methods is not a nonprobability sample? A)convenience sample B)quota sample
1 answer
95 views
Two independent samples from populations that are normally distributed produced the following statistics: for sample 1 the
1 answer
70 views