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1. The mean serum level measured in 12 patients twenty-four hours after they received a newly recommended antibiotic was 1.2 mg/dl with a standard deviation of 0.4 mg/dl. If the mean serum level in the general population is 1.0 mg/dl, test whether or not the mean serum level in the sample group is significantly different from that of the general population. Use a = 5%.

1. The mean serum level measured in 12 patients twenty-four hours after they received a newly recommended antibiotic was 1.2 mg/dl with a standard deviation of 0.4 mg/dl. If the mean serum level in the general population is 1.0 mg/dl, test whether or not the mean serum level in the sample group is significantly different from that of the general population. Use a = 5%.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. The mean serum level measured in 12 patients twenty-four hours after they received a newly recommended antibiotic was 1.2 mg/dl with a standard deviation of 0.4 mg/dl. If the mean serum level in the general population is 1.0 mg/dl, test whether or not the mean serum level in the sample group is significantly different from that of the general population. Use a = 5%. 2. Ten randomly selected gold mines produced 21, 19, 20, 22, 24, 21, 19, 22, 22, and 20 barrels of gold per day. Is this enough evidence to conclude that the gold mines are not producing an average of 22.5 barrels of gold per day? Use a = 1%. 3. Twenty randomly selected groceries in Cebu City have an average sale of 41 thousand pesos every 6 months with a standard deviation of 5.2 thousand pesos. Is there enough evidence to conclude that the groceries are not selling an average above 42 thousand pesos every 6 months at a = 5%?
Transcribed Image Text:1. The mean serum level measured in 12 patients twenty-four hours after they received a newly recommended antibiotic was 1.2 mg/dl with a standard deviation of 0.4 mg/dl. If the mean serum level in the general population is 1.0 mg/dl, test whether or not the mean serum level in the sample group is significantly different from that of the general population. Use a = 5%. 2. Ten randomly selected gold mines produced 21, 19, 20, 22, 24, 21, 19, 22, 22, and 20 barrels of gold per day. Is this enough evidence to conclude that the gold mines are not producing an average of 22.5 barrels of gold per day? Use a = 1%. 3. Twenty randomly selected groceries in Cebu City have an average sale of 41 thousand pesos every 6 months with a standard deviation of 5.2 thousand pesos. Is there enough evidence to conclude that the groceries are not selling an average above 42 thousand pesos every 6 months at a = 5%?
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