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Blood pressure: A blood pressure measurement consists of two numbers: the systolic pressure, which is the maximum...

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Statistics

Blood pressure: A blood pressure measurementconsists of two numbers: the systolic pressure, which is themaximum pressure taken when the heart is contracting, and thediastolic pressure, which is the minimum pressure taken at thebeginning of the heartbeat. Blood pressures were measured, inmillimeters, for a sample of 7 adults. The following table presentsthe results. The least-squares regression line=y=+b0b1x+24.83840.4499x, =se7.161065, =Σ−xx2407.43, and x=120.71are known for this data.

SystolicDiastolic

112

75

118

88

130

76

123

77

116

70

133

91

113

77

1.)Construct a 90% prediction interval for the diastolicpressure of a particular person whose systolic pressure is 120.Round your answer to at least three decimalplaces.

A 90%prediction interval for thediastolic pressure of a particular person whose systolic pressureis 120 is ( , )
.

Answer & Explanation Solved by verified expert
4.5 Ratings (718 Votes)
X Value 120 Confidence Level 90 Sample Size n 7 Degrees of Freedomdfn2 5 critical t Valuet2 2015 excel function    See Answer
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