NR 716 Week 7 Quiz
NR 716 Week 7 Quiz – Statistics
- Question: When researchers set the level of significance, they are thinking about the possibility of Type I and Type II errors. When researchers are testing the effect of chemotherapy on cancer, which of these answers below would be a consequence of a type I error?
- Question: Using the interactive statistical flowchart, which of the options below is an assumption of the Mann Whitney U test?
- Question: The DNP student is reading a research article in which there are 2 groups and one intervention. The level of measurement is ratio level data. The researchers … the relationships and they have a true independent variable. Using the interactive statistical flowchart, what statistical test did the researchers most likely conduct?
- Question: A Ph.D. nurse performs an experiment testing the frequency and correlation of the participant demographics. She plots a histogram measuring income versus education level. She produces the following graph below. Which of the following describes this
- Question: Which of the following is the least useful in understanding how … your data
- Question: The Four Levels of Measurement or Types of Data are:
- Question: Using the interactive statistical flowchart, examples of descriptive statistics are:
- Question: The mean is influenced by _____ .
- Question: Type II errors occur when researcher incorrectly ____ the ____ hypothesis; therefore, they erroneously reject the ____ hypothesis.
- Question: What is the mean of the following numbers? 6, 4, 1, 9, 3, 8, 3, 5,
- Question: Using the interactive statistical flowchart, the assumptions for the Pearson’s r test are
- Question: Which of the following is … a continuous variable?
- Question: Type I errors occur when a researcher incorrectly ____ the ____ hypothesis; therefore, they erroneously accept the ____ hypothesis.
- Question: Using the interactive statistical flowchart, which of these is an assumption for the Spearman’s Rank Correlates?
- Question: Variances informs us about:
- Question: When researchers set the level of significance, they are thinking about the possibility of Type I and Type II errors. When researchers are testing the effect of chemotherapy on cancer, in terms of safety, which error has the more dangerous consequences in
- Question: Using the interactive statis flowchart, which of the assumptions below is an assumption for Chi-square analysis?
- Question: The frequency distribution informs us about:
- Question: Using the interactive statistical flowchart, the assumptions for the Student t-test are
- Question: The DNP student is conducting data collection at the end of the implementation cycle in his DNP project. The student also c… data before the intervention was implemented. The level of measurement is categorical and is discrete data. The student would like to measure the differences between the pre-implementation and post-implementation samples from the same population. Using the interactive statistical flowchart, what statistical test will he conduct on his data?
- Question: Using the interactive statistical flowchart, what is the definition of a normal data distribution curve?
- Question: Using the interactive statistical flowchart, please select the term that is … by data that is unconnected a distinct and separate. The level of measurement is Nominal and Ordinal. Some examples are first or second place in a horse race or in a Highschool class rating, or numbers of children born in a family. Some other examples are … and not married, high school graduate or not a graduate.
- Question: When researchers set the level of significance, they are thinking about the possibility of Type I and Type II errors. When researchers are testing the effect of chemotherapy on cancer, which of these answers below would be a consequence of a type II error?
- Question: The DNP student is reading a research article in which there are 4 groups. The level of measurement is nominal and ordinal level data. The researchers … the difference between the means. Using the interactive statistical flowchart, what statistical test did the researchers most likely conduct?
- Question: A Ph.D. nurse performs an experiment testing the frequency and correlation of the participant demographics. He plots a histogram measuring income versus education level. He produces the following graph below. Which of the following describes this distribution?
NR 716 Week 7 Quiz – Statistics
- Question: The mean is influenced by .
- Question: The range of the data is … by doing the following:
- Question: The DNP student is conducting data collection at the end of the implementation cycle in her DNP project. The student also … data before the intervention was implemented. The level of measurement is ratio and the student has parametric data. The student would like to measure the relationships between the pre-implementation and post-implementation samples. The student realizes she has a true independent variable. Using the interactive statistical flowchart, what statistical test will she conduct on his data?
- Question: A student scores a 749 on the Scholastic Assessment Test (SAT). A college admissions committee does not know how the exam is scored; however, they do know the scores of the exam form a normal distribution pattern. They also know the mean score and standard deviation of the population of students that took the test. Using this information, determine whether or not the student … well on the SAT.
- Question: Which of the following is not … to be a test statistic of a sample population?
- Question: What is the word to describe Interval and Ratio Data in which the data is in order and has the same difference between all variables. Examples of this type of data ae height, weight, temperature, IQ and GPA.
- Question: When researchers set the level of significance, they are thinking about the possibility of Type I and Type II errors. When researchers are testing the effect of chemotherapy on cancer, which of these answers below would be a consequence of a type II error?
- Question: The DNP student is reading a research article in which there are 4 groups. The level of measurement is nominal and ordinal level data. The researchers … the difference between the means. Using the interactive statistical flowchart, what statistical test did the researchers most likely conduct?
- Question: What is the mean (average) of the following numbers? 10,6,4,4,6,4,1
- Question: What significance level should they use to reduce the probability of the more dangerous error?
- Question: Standard deviation tells you .
- Question: Using the interactive statistical flowchart, please select the term that is … by data that is … and distinct and separate. The level of measurement is Nominal and Ordinal. Some examples are first or second place in a horse race or in a Highschool class rating, or numbers of children born in a family. Some other examples are … and not married, high school graduate or not a graduate.
- Question: What is the mean of the following numbers? 6, 4, 1, 9, 3, 8, 3, 5, 10?
- Question: The mean measurement of central tendency is calculated by .
- Question: Using the interactive statistical flowchart, the assumptions for the Pearson’s r test are ALL the following EXCEPT:
- Question: Type II errors occur when researcher incorrectly _____ the _____ hypothesis; therefore, they erroneously reject the _____ hypothesis.
- Question: The DNP student is conducting data collection at the end of the implementation cycle in her DNP project. The student also … data before the intervention was implemented. The level of measurement is ordinal and the student has non-parametric data. The student would like to measure the relationships between the pre-implementation and post-implementation samples to find out if there is a correlation. The student realizes she does NOT have a true independent variable. Using the interactive statistical flowchart, what statistical test will she conduct on his data?
- Question: Using the interactive statistical flowchart, examples of descriptive statistics are:
- Question: The DNP student is conducting data collection at the end of the implementation cycle in her DNP project. She … categorical outcome data. Using the DNP flow chart for selecting common descriptive statistics, what types of statistical tests will he conduct on his data?
- Question: Variances informs us about:
- Question: Using the interactive statistical flowchart, which of the assumptions below is an assumption for Chi-square analysis?
- Question: A Ph.D. nurse performs an experiment testing the frequency and correlation of the participant demographics. She plots a histogram measuring income versus education level. She produces the following graph below. Which of the following describes this distribution?
- Question: A Ph.D. nurse performs an experiment testing the frequency and correlation of the participant demographics. He plots a histogram measuring income versus education level. He produces the following graph below. Which of the following describes this distribution?
- Question: A Ph.D. nurse performs an experiment testing the frequency and correlation of the participant demographics. She plots a histogram measuring income versus education level. She produces the following graph below. Which of the following describes this distribution?
- Question: If the assumptions of the statistical test are … , the researchers can use the statistical test anyway because the results will still be valid.