**** An herbal extract is claimed to lower systolic blood pressure (SBP), 4 hypertensivepatients were measured for their SBP after given capsules containing lactose for 1month. The herbal extract was given to the same subjects for 1 more month and SBP wasmeasured again for them. SBP values are given in the following Table. Answer questions(7-8)MeanSD7. SE isA. 2.83.23.7Placebo1531471491591525.31.82.02.22.32.7Herbalextract150140142141143.84.63.43.68. Test statistic based on treatment minus placeboterest.ble

The given data is Placebo Herbal extract 153 150 147 140 149 142 159 141 Mean…

Answered: **** An herbal extract is claimed to…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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In a test of H0: p = 0.40 against Ha: p # 0.40, the sample data yield the test statistics z = 1.78. Find the p-value for this test. Round your answer to 4 decimal places.
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Glaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Question:If the t statistic falls below the effect size in which we reject the null, but the p value is greater than 0.05. Do i reject the null? As my scenario had no population mean because the differences were recorded, do i set a test value of 10 or keep it at 0?
Thirty different video games showing drug use were observed. The duration times of drug use (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 92 sec, what does df denote, and what is its value? what's the value of df?
Glaucoma is a leading cause of blindness in the United States, N. Ehlers measured the difference in corneal thickness (in microns) between the two eyes of eight patients. Each patient had one eye that had glaucoma and one eye that was normal. The difference was measured as the corneal thickness of normal eye – corneal thickness of eye with Glaucoma. Corneal thickness is important because it can mask an accurate reading of eye pressure. Question: Write a report summarizing your findings When writing the report consider that medical staff estimate that a difference of 4.5 microns or more could impact on their ability to interpret eye pressure correctly.
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You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly different from 0.22. Your sample data produce the test statistic z = 3.03 . Find the pvalue accurate to 4 decimal places.
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