Which of the following would be using data you have measured to form a conclusion? a....
Which of the following would be using data you have measured to form a conclusion? a. inferential statistics b. Descriptive stastics c. sampling d. none of the above
Homework Answers
Answer is a) inferential statistics , because in inferential statistics using data we calculate some value,on the basis of which we conclude either we will accept the null hypothesis or reject it.So here using data I have measured to form a conclusion..
But in other two like Descriptive statistics and sampling we just find some value for further use not for any conclusion. We can use this values in inferential statistics to obtain any conclusion.
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Which of the following would be using data you have measured to
form a conclusion? a....
a. Distinguish between description and inference as reasons for using statistics. b. Suppose you have data...
a. Distinguish between description and inference as reasons for using statistics. b. Suppose you have data for a population, such as obtained in a census. Explain why descriptive statistics are helpful, but inferential statistics are not needed. a. Which statement below best distinguishes description from inference? A. Statistical inference provides useful summaries of the data, while description helps make predictions and decide whether observed patterns are meaningful. B. Statistical inference provides useful summaries of data for a sample, while description...
- A variable is a. Unit upon which measurements are made b. Data collection form c....
- A variable is a. Unit upon which measurements are made b. Data collection form c. The characteristic being measured d. The realized measurement - For what kind of data are bar graphs best suited? a. Nominal or Ordinal b. Ordinal or Interval c. Nominal or Interval d. Interval or Ratio - Histograms display frequencies for what level of measurement? a. Ordinal b. Interval or Ratio c. Categorical d. Nominal - The term for a value that best describes the...
4) Which statement is true about statistics and data? a) There are two types of statistics...
4) Which statement is true about statistics and data? a) There are two types of statistics – inferential and descriptive b) Variables come in two types – categorical and quantitative c) Letter grade is a type of categorical and ordinal data d) Hair color is a type of categorial and nominal data e) Number of leaves on a tree is a type of quantitative, discrete data f) All of the above g) None of the above
You are researching the average score on Quiz One in your statistics class. This is an...
You are researching the average score on Quiz One in your statistics class. This is an example of: a. Descriptive Statistics b. Collective statistics c. Inferential statistics d. None of the above
question 44-48 Use the given frequency distribution to find the (a) class width. (b) class midpoints...
question 44-48
Use the given frequency distribution to find the (a) class width. (b) class midpoints of the first class. (c) class boundaries of the first class. 44) Miles (per day) Class Frequency,f 1-2 44) 3- 4 5- 6 28 15 9-10 A) (a) 2 (b) 1 (c) 1-2 B) (a) 1 (b) 1 (c) 1-2 C) (a) 1 (b) 15 (c) 0.5-25 D) (a) 2 (c) 0.5-2.5 Determine whether you would take a census or use a sampling. If...
8. If you have data in the form of proportions and you want to conduct a...
8. If you have data in the form of proportions and you want to conduct a hypothesis test, which of the following does not need to be known in order to compute a test statistic? A. The significance (or alpha) level. B. The sample proportion. C. The claimed population proportion. D. The sample size. E. All of the above need to be known in order to compute the test statistic. 9. It is claimed that 75% of parents believe their...
22. (2 points) Which of the following would be the best source for denominator data 10...
22. (2 points) Which of the following would be the best source for denominator data 10 breast cancer specific mortality rates? (circle one best answer) a. Vital Statistics: births b. Vital Statistics: deaths c. Cancer registry data d. Cross-sectional survey e. Census 23. (2 points) Which of the following would be the best source for estimating the numerator for the prevalence of obesity (a measure of weight relative to height) in the United States? (circle one best answer) a. Vital...
1.The two branches of statistics are (1.1) a) dependent and independent c) descriptive and inferential 2.When...
1.The two branches of statistics are (1.1) a) dependent and independent c) descriptive and inferential 2.When we compute averages and standard deviations or graph data, we are b) population and sample d) ull and alternative workinq within a)descriptive statistics c) hypothesis testing 3. Which of the following groups is likely to have a lower standard deviation? b)inferential statistics d) statistical graphing (3.2) Group A: average heights of 13-year-old males Group B: average heights of 25-year old males a) Group A...
Descriptive statistics have which of the following properties? Select one: O a. They are numerical or...
Descriptive statistics have which of the following properties? Select one: O a. They are numerical or graphical summaries of data. O b. They are used to examine relationships between variables in a data set O C. They are used to see how well sample data can be generalized to the population. O d. All of the above.
1) Which variables are associated with an experiment? a.) IV and DV b.) IV and Predictor...
1) Which variables are associated with an experiment? a.) IV and DV b.) IV and Predictor c.) Predictor and Criterion d.) Explanatory and Response 2) TRUE OR FALSE: The goal of descriptive statistics is solely to summarize, and organize data. 3) TRUE OR FALSE: Inferential statistics involves inferring something about a sample from population data. 4) TRUE OR FALSE: In a study entitled the relationship between study time and grades, study time is the predictor variable. 5) TRUE OR FALSE:...
question 44-48
Use the given frequency distribution to find the (a) class width. (b) class midpoints of the first class. (c) class boundaries of the first class. 44) Miles (per day) Class Frequency,f 1-2 44) 3- 4 5- 6 28 15 9-10 A) (a) 2 (b) 1 (c) 1-2 B) (a) 1 (b) 1 (c) 1-2 C) (a) 1 (b) 15 (c) 0.5-25 D) (a) 2 (c) 0.5-2.5 Determine whether you would take a census or use a sampling. If...
22. (2 points) Which of the following would be the best source for denominator data 10 breast cancer specific mortality rates? (circle one best answer) a. Vital Statistics: births b. Vital Statistics: deaths c. Cancer registry data d. Cross-sectional survey e. Census 23. (2 points) Which of the following would be the best source for estimating the numerator for the prevalence of obesity (a measure of weight relative to height) in the United States? (circle one best answer) a. Vital...
1.The two branches of statistics are (1.1) a) dependent and independent c) descriptive and inferential 2.When we compute averages and standard deviations or graph data, we are b) population and sample d) ull and alternative workinq within a)descriptive statistics c) hypothesis testing 3. Which of the following groups is likely to have a lower standard deviation? b)inferential statistics d) statistical graphing (3.2) Group A: average heights of 13-year-old males Group B: average heights of 25-year old males a) Group A...
Descriptive statistics have which of the following properties? Select one: O a. They are numerical or graphical summaries of data. O b. They are used to examine relationships between variables in a data set O C. They are used to see how well sample data can be generalized to the population. O d. All of the above.
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