To test null hypothesis against alternative hypothesis
Since P-value = 0.0674 > 0.05,so at 5% level of significance, we fail to reject the null hypothesis and we can conclude that the mean cholesterol level is not significantly different from 180.
1. An investigator hypothesizes that cholesterol levels in children might be affected by educating their parents on...
i) State the Hypotheses to Test. ii) Make a decision based on the information given. iii) What would be Type I and Type II errors. 1. An investigator hypothesizes that cholesterol levels in children might be affected by educating their parents on proper nutrition and exercise. A sample of 40 families with a child between the ages of 10-15 who has been diagnosed with high cholesterol agree to participate in the study. All parents are provided educational information on nutrition...
1) (7 points) An investigator hypothesizes that educating parents on proper nutrition and exercise will reduce the total cholesterol level of children. A sample of 20 children between the ages of ten to fifteen have agreed to have their total cholesterol level measured for this study. Suppose the investigator wishes to run a hypothesis test at a 5% level of significance. a) (1 point) What is the outcome variable? Is this outcome variable considered to be continuous or dichotomous? b)...
1.. All following elements have been identified as important to supporting school’s level of involvement with law enforcement EXCEPT: A. The school and local law enforcement have developed a memorandum of agreement, (MOA), defining the roles and responsibilities of both. B. The school threatens children with punishment from law enforcement officials for even the most minor infractions. C. The school has developed and maintained an effective relationship with law enforcement. D. The school reports incidents of crime and violence to...
1. Oral acetaminophen has been ordered for a young child who has a fever. A liquid form has been obtained by the nurse to increase the chance of problem free administration. Prior to administration, the nurse is going through the rights of medication administration. When confirming the right dose, what term is the most appropriate? a. "160 mg" b. "one teaspoon" c. "one third of a tablespoon d. "SmL 2. A pregnant woman asks why she needs to take a...