a. Locate and interpret the 90% confidence interval for mean fasting blood sugar on the printout. b. Locate and interpret the 90% confidence interval for mean magnesium level on the printout. c. If the confidence level is increased to 95%, what will - happen to the width of the intervals? d. If the sample of hypertensive patients is increased from 50 to 100, what will likely happen to the width of the intervals? NW

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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7.16 Lipid profiles of hypertensive patients. People with high
blood pressure suffer from hypertension. A study of the
D
HYPER lipid profiles of hypertensive patients was carried out and
the results published in Biology and Medicine (Vol. 2,
2010). Data on fasting blood sugar (milligrams/deciliter)
and magnesium (milligrams/deciliter) in blood specimens
7.1
PON
In
Jasva collected from 50 patients diagnosed with hypertension
1o
were collected. The accompanying MINITAB printout
gives 90% confidence intervals for the mean fasting blood
sugar (FBS) and mean magnesium level (MAG).
a. Locate and interpret the 90% confidence interval for
mean fasting blood sugar on the printout.
b. Locate and interpret the 90% confidence interval for
mean magnesium level on the printout.
c. If the confidence level is increased to 95%, what will
NW
od w
happen to the width of the intervals?
d. If the sample of hypertensive patients is increased from
50 to 100, what will likely happen to the width of the
intervals?
Variable N Mean St Dev SE Mean
50 101.62
50 1.94100 0.05607 0.00793 (1.92771, 1.95429)
FBS
34.13
4.83 ( 93.53, 109.71)
MAG
Transcribed Image Text:7.16 Lipid profiles of hypertensive patients. People with high blood pressure suffer from hypertension. A study of the D HYPER lipid profiles of hypertensive patients was carried out and the results published in Biology and Medicine (Vol. 2, 2010). Data on fasting blood sugar (milligrams/deciliter) and magnesium (milligrams/deciliter) in blood specimens 7.1 PON In Jasva collected from 50 patients diagnosed with hypertension 1o were collected. The accompanying MINITAB printout gives 90% confidence intervals for the mean fasting blood sugar (FBS) and mean magnesium level (MAG). a. Locate and interpret the 90% confidence interval for mean fasting blood sugar on the printout. b. Locate and interpret the 90% confidence interval for mean magnesium level on the printout. c. If the confidence level is increased to 95%, what will NW od w happen to the width of the intervals? d. If the sample of hypertensive patients is increased from 50 to 100, what will likely happen to the width of the intervals? Variable N Mean St Dev SE Mean 50 101.62 50 1.94100 0.05607 0.00793 (1.92771, 1.95429) FBS 34.13 4.83 ( 93.53, 109.71) MAG
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