Question
In: Math
Here are summary statistics for randomly selected weights of newborn girls: n =191, x̅ = 33.2...
Here are summary statistics for randomly selected weights of newborn girls: n =191, x̅ = 33.2 hg, s = 6.1 hg. Construct a confidence interval estimate of the mean. Use a 90%
confidence level. Are these results very different from the confidence interval 32.9 hg < μ < 34.3 hg with only 19 sample values, x̅ = 33.6 hg, and s = 1.7 hg?
A. What is the confidence interval for the population mean μ?
____ hg < μ < ____ hg (Round to one decimal place as needed.)
B. Are the results between the two confidence intervals very different?
a) Yes, because the confidence interval limits are not similar.
b) No, because each confidence interval contains the mean of the other confidence interval.
c) No, because the confidence interval limits are similar.
d) Yes, because one confidence interval does not contain the mean of the other confidence interval.
Solutions
milcah answered 8 months agoRelated Solutions
Here are summary statistics for randomly selected weights of newborn? girls: n equals = 229 229?,...
Here are summary statistics for randomly selected weights of
newborn? girls: n equals = 229 229?, x overbar x equals = 27.3 27.3
?hg, s equals = 6.4 6.4 hg. Construct a confidence interval
estimate of the mean. Use a 98 98?% confidence level. Are these
results very different from the confidence interval 25.8 25.8 hg
less than < mu ? less than < 28.6 28.6 hg with only 16 16
sample? values, x overbar x equals = 27.2 27.2...
Here are the summary statistics for randomly selected weights of newborn girls: n=237, mean=33.8 hg, and...
Here are the summary statistics for randomly selected weights of
newborn girls: n=237, mean=33.8 hg, and s=6.2 hg. Construct a
confidence interval estimate of the mean. Use a 90% confidence
level
Here are summary statistics for randomly selected weights of newborn girls: n = 192, X=26.5 hg,...
Here are summary statistics for randomly selected weights of
newborn girls: n = 192, X=26.5 hg, S= 7.1 Construct a confidence
interval estimate of the mean. Use a 99% confidence level. Are
these results very different from the confidence interval 24.4 hg
< U < 28.0 hg with only 19 sample values, X= 26.2 hg, and S=
2.7 Hg?
What is the confidence interval for the population mean ? ?
___hg < U< ___ hg
Here are summary statistics for randomly selected weights of newborn girls: nequals 219 , x overbar...
Here are summary statistics for randomly selected weights of
newborn girls: nequals 219 , x overbar equals29.4 hg, sequals 7.5
hg. Construct a confidence interval estimate of the mean. Use a 99
% confidence level. Are these results very different from the
confidence interval 26.9 hgless than muless than30.9 hg with only
20 sample values, x overbar equals28.9 hg, and sequals 3.2 hg?
What is the confidence interval for the population mean u?
______hg < u < _____ hg (Round...
Here are summary statistics for randomly selected weights of newborn girls: n=210, x =26.9 hg, s=6.1...
Here are summary statistics for randomly selected weights of
newborn girls: n=210, x =26.9 hg, s=6.1 hg. Construct a
confidence interval estimate of the mean. Use a 90% confidence
level. Are these results very different from the confidence
interval 25.8 hg <ul <27.4 hg with only 16 sample values, x
=26.6 hg, and s =1.9 hg?
Q7. Here are summary statistics for randomly selected weights of newborn girls: n=210, x overbarx=28.9 hg,...
Q7. Here are summary statistics for randomly selected weights of
newborn girls: n=210, x overbarx=28.9 hg, s=6.3hg. Construct a
confidence interval estimate of the mean. Use a 99% confidence
level. Are these results very different from the confidence
interval 27.0 hgless than
What is the confidence interval for the population mean
muμ?
____hgless than
Here are summary statistics for randomly selected weights of newborn girls: n=187, x =30.8 hg, s=7.9...
Here are summary statistics for randomly selected weights of
newborn girls: n=187, x =30.8 hg, s=7.9 hg. Construct a
confidence interval estimate of the mean. Use a 90% confidence
level. Are these results very different from the confidence
interval 29.0 hg-mu-t32.4 hg with only 14 sample values, x=30.7
hg, and s=3.6 hg
Here are summary statistics for randomly selected weights of newborn girls: nequals180, x overbarequals30.8 hg, sequals7.5...
Here are summary statistics for randomly selected weights of
newborn girls: nequals180, x overbarequals30.8 hg, sequals7.5
hg. Construct a confidence interval estimate of the mean. Use a
95% confidence level. Are these results very different from the
confidence interval 29.7 hgless thanmuless than32.9 hg with only 17
sample values, x overbarequals31.3 hg, and sequals3.1 hg?
Here are summary statistics for randomly selected weights of newborn girls: nequals176, x overbarequals32.7 hg, sequals6.8...
Here are summary statistics for randomly selected weights of
newborn girls: nequals176, x overbarequals32.7 hg, sequals6.8
hg. Construct a confidence interval estimate of the mean. Use a
99% confidence level. Are these results very different from the
confidence interval 31.3 hgless thanmuless than34.5 hg with only 18
sample values, x overbarequals32.9 hg, and sequals2.4 hg?
Here are summary statistics for randomly selected weights of newborn girls: nequals182, x overbarequals31.3 hg, sequals6.5...
Here are summary statistics for randomly selected weights of
newborn girls: nequals182, x overbarequals31.3 hg, sequals6.5
hg. Construct a confidence interval estimate of the mean. Use a
95% confidence level. Are these results very different from the
confidence interval 30.1 hgless thanmuless than32.3 hg with only 18
sample values, x overbarequals31.2 hg, and sequals2.3 hg?
What is the confidence interval for the population mean μ?
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