A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2...

A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2 hypertension. If the diet is effective, the target is to have the average systolic blood pressure of this group be below 150. After six months on the diet, an SRS of 28 patients had an average systolic blood pressure of ?¯=143 with standard deviation ?=21 . Is this sufficient evidence that the diet is effective in meeting the target? Assume the distribution of the systolic blood pressure for patients in this group is approximately Normal with mean ? .

The ?‑value for the one‑sample ? test is:

below 0.01.

larger than 0.1.

between 0.1 and 0.05.

between 0.01 and 0.05.

Solutions

Expert Solution

orchestra answered 2 years ago

Next > < Previous

Related Solutions

A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2...

A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2 hypertension. If the diet is effective, the target is to have the average systolic blood pressure of this group be below 150. After six months on the diet, an SRS of 28 patients had an average systolic blood pressure of ¯ x = 143 with standard deviation s = 21 . Is this sufficient evidence that the diet is effective in meeting the target?...

Systolic blood pressure was measured in a group of 30 patients diagnosed with hypertension: Patient No....

Systolic blood pressure was measured in a group of 30 patients diagnosed with hypertension: Patient No. 1 2 3 4 5 6 7 8 9 10 Blood pressure, mmHg 155 138 126 152 164 142 128 132 170 145 Patient No. 11 12 13 14 15 16 17 18 19 20 Blood pressure, mmHg 129 122 128 127 141 132 127 145 138 138 Patient No. 21 22 23 24 25 26 27 28 29 30 Blood pressure, mmHg 127...

1. The following table gives the systolic blood pressure and age of patients. Systolic Blood Pressure...

1. The following table gives the systolic blood pressure and age of patients. Systolic Blood Pressure Age 131 34 132 36 122 30 119 32 123 26 115 23 137 37 a) Determine an r value for this data and classify the value as weak, moderate, or strong. b) Based on your calculated r value, what can you say about the slope of the regression line? c) Determine the model equation. This is also called the regression line or the...

Calcium and Blood Pressure Does increasing the amount of calcium in our diet reduce blood pressure?...

Calcium and Blood Pressure Does increasing the amount of calcium in our diet reduce blood pressure? Examination of a large sample of people revealed a relationship between calcium intake and blood pressure. The relationship was strongest for black men. Such observational studies do not establish causation. Researchers therefore designed a randomized comparative experiment. The subjects were 12 healthy black men who volunteered to take part in the experiment. They were randomly assigned to two groups: 10 of the men received...

Calcium and Blood Pressure Does increasing the amount of calcium in our diet reduce blood pressure?...

1. Blood Pressures. Among human females, systolic blood pressure (measured in mmHg) is normally distributed, with...

1. Blood Pressures. Among human females, systolic blood pressure (measured in mmHg) is normally distributed, with a mean of and a standard deviation of 06.3, μ = 1 .9. σ = 8 a. Connie’s blood pressure is 117.4 mmHg. Calculate the z-score for her blood pressure. b. Mark Connie’s x-value and z-score (as well as the mean) in the correct locations on the graph. c. Interpret the meaning of Connie’s z-score value. 2. Finding raw values from z-scores. California condors...

The table gives systolic blood pressure readings for Intensive Care Unit patients in their teens and...

The table gives systolic blood pressure readings for Intensive Care Unit patients in their teens and those in their eighties. Teen 100 100 104 104 112 130 130 136 140 140 142 146 156 Eighties 80 100 100 110 110 122 130 135 136 138 140 141 162 190 190 A) Plot systolic blood pressure side-by-side boxplot for teen and eighties, compare the spread of systolic blood pressure for each group. Q1 Q3 Teen 104 140 Eighties 110 140.5 B)...

Systolic blood pressure is the amount of pressure that blood exerts on blood vessels while the...

Systolic blood pressure is the amount of pressure that blood exerts on blood vessels while the heart is beating. The mean systolic blood pressure for people in the United States is reported to be 122 millimeters of mercury (mmHg) with a standard deviation of 15 mmHg. The wellness department of a large corporation is investigating whether the mean systolic blood pressure of its employees is greater than the reported national mean. A random sample of 50 employees will be selected,...

A pharmaceutical company claims that its new drug reduces systolic blood pressure. The systolic blood pressure...

A pharmaceutical company claims that its new drug reduces systolic blood pressure. The systolic blood pressure (in millimeters of mercury) for nine patients before taking the new drug and 2 hours after taking the drug are shown in the table below. Is there enough evidence to support the company's claim? Let d = (blood pressure before taking new drug) − (blood pressure after taking new drug). Use a significance level of α = 0.05 for the test. Assume that the...

A pharmaceutical company claims that its new drug reduces systolic blood pressure. The systolic blood pressure...

A pharmaceutical company claims that its new drug reduces systolic blood pressure. The systolic blood pressure (in millimeters of mercury) for nine patients before taking the new drug and 2 hours after taking the drug are shown in the table below. Using this data, find the 99% confidence interval for the true difference in blood pressure for each patient after taking the new drug. Assume that the blood pressures are normally distributed for the population of patients both before and...

Subjects