Reducing Cholesterol. A doctor wants to study the effect of a drug to reduce cholesterol levels as measured by a standard blood test. a. In addition to the given factor, suggest three other factors that might be of interest. b. What would be the levels of each factor in your study? c. Specify whether each factor is experimental or observational. d. What are the experimental units? e. How would you select your experimental units and assign them to the treatment combinations?

1. Fill in the blanks for each of the statements below. а. A survey of 1000 U.S. adults found that 40% think the internet is the best way to get news and information. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the 40% a parameter or statistic, and why? b. A survey of the 55 law firms in a local city found that the average hourly billing rate is $425. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the $425 a parameter or statistic, and why?.

In order to gauge public opinion about how to handle Iran's growing nuclear program, a research group surveyed 996 American men by telephone and asked them to rate the threat Iran's nuclear program poses to the world on a scale of 1 to 10. Describe the population, sample, population parameters, and sample statistics Identify the population in the given problem. Choose the correct answer below. O A. The 996 American men surveyed by telephone O B. Half of all American men O C. All American men O D. Some of the 996 American men surveyed by telephone Identify the sample for the given problem. Choose the correct answer below. O A. Half of all American men O B. The 996 American men surveyed by telephone C. All American men O D. Some of the 996 American men surveyed by telephone Identify the population parameter in the given study. Choose the correct answer below. O A. The mean threat rating of all American men on Iran's nuclear program O B. The mean threat rating on Iran's nuclear program of…

our question: $ 4 R V 4) There shouldn't be a blood group difference between men and women as blood group type is not dependent on sex. However, you want to determine if there is any evidence to doubt this. You go out and collect the following data on blood types: Sex % Blood type 5 T G B Can you find a significant difference in blood types based on sex? Make sure you clearly state Ho, H₁, etc. Also clearly write out your decision and what it means. Q Search 6 A B Y AB O Male 128 23 14 131 & U 8 Female 159 33 18 161 N M | K H J K 9 O ▶11 O Course: BIOL 214 L P dele back

1. Identify whether the variable in the information below is qualitative or quantitative. A nurse collects blood from kids and measure their blood-sugar content. This measure of blood-sugar concentration is a variable. a. quantitative b. qualitative c. qualitative as well as quantitative d. neither qualitative nor quantitative 2. Identify the technique for gathering data in the study below. A pharmaceutical firm wants test the effectiveness of a new drug. It wants to know if the new drug is significantly stronger than the conventional drug. This is a/an study. a. observational b. experimental c. census d. sampling 3. You want to plot a frequency graph of daily rainfall, with rainfalls (inches) on the horizontal axis. You will use a a. bar chart b. histogram c. cumulative frequency d. best fit line 4. Frequency of categorical data are displayed using a a. bar chart b. histogram c. time series graph d. best fit line

What are the missing values for Between and Within treatment, in terms of DF, MS and F?

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b. You analyze the following four vinegars in the lab and obtain the results indicated in the table. If you are going to need a large quantity of vinegar and want to get the most acetic acid for your money, which brand of vinegar should you buy? Explain your reasoning. Vinegar Cost/Qt. Weight % Acetic Acid Piedmont white $0.51 4.47 Piedmont cider $0.59 4.52 $0.62 5.02 Heinz white 5.05 $0.71 Heinz cider