Answered: ystolic blood pressure levels above 120…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

Systolic blood pressure levels above 120 mm Hg are considered to be high. For the 100 systolic blood pressure levels listed in the accompanying data set, the mean is 128.86000 mm Hg and the standard deviation is 15.28254 mm Hg. Assume that a simple random sample has been selected. Use a 0.01 significance level to test the claim that the sample is from a population with a mean greater than 120 mm Hg.
LOADING... Click the icon to view the data set of systolic blood pressure levels.

the attachement is listed below. and the systolic blood pressure data is listed below

Body and exam measurements are from 100 subjects. SYSTOLIC is systolic blood pressure (mm Hg).
SYSTOLIC
120
126
136
110
114
122
114
122
132
98
130
134
102
110
120
112
126
158
100
106
116
102
112
136
112
114
120
126
136
110
114
122
114
122
132
98
130
134
102
110
120
112
126
158
100
106
116
102
112
136
112
114
132
104
128
154
100
106
116
120
122
126
110
118
138
96
106
116
112
134
142
118
122
126
108
132
164
124
156
160
114
120
130
116
130
158
116
128
138
120
126
136
122
124
162
102
110
142
120
122
130
114
120
130
114
118
124
108
108
118
30
116
130
158
116
128
138
120
126
136
122
124
162
102
110
142
120
122
130
114
120
130
114
118
124
108
108
118
106
108
126
104
124
128
112
120
160
112
126
134
108
112
120
92
SYSTOLIC

Systolic blood pressure levels above 120 mm Hg are considered to be high. For the 100 systolic blood pressure levels listed in the accompanying data set, the mean is 121.860000 mm Hg and the standard deviation is 15.28254 mm Hg. Assume that a simple random sample has been selected. Use a 0.01 significance level to test the claim that the sample is from a population with a mean greater than 120 mm Hg.

\[

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

Expert Solution