1. Population is the collection of all individuals or items under consideration in a statistical study .
Sample is that part of the population from which information is collected .
Descriptive statistics consist of methods for organizing and summarizing information
Inferential statistics consist of methods for drawing and measuring the reliability of conclusions about population based on information obtained from a sample of the population .
A parameter is an unknown numerical summary of the population. A statistic is a known numerical summary of the sample which can be used to make inference about parameters
2.Continuous variables are: height, Temperature, Volume
3.Nominal variables are:Gender, Hair Color, Religion
4.Dependent variable in the scenario is: Measures of depression
Independent variable in the scenario is: Different treatments
5.These are the numbers of newspapers sold at a local shop over the last 10 days:
22, 20, 18, 23, 20, 25, 22, 20, 18, 20
Papers Sold | Frequency |
---|---|
18 | 2 |
19 | 0 |
20 | 4 |
21 | 0 |
22 | 2 |
23 | 1 |
24 | 0 |
25 | 1 |
Write a paragraph or two that defines and contrasts definitions of population, sample, and parameter, descriptive...
Managers at the Turquoise Oasis Spa are interested in knowing whether there is a relationship between the age of their clients and the amount of money they spend in the spa. Upon analyzing the data, they found a correlation coefficient of .672. Thus, the relationship between the two variables is _________. strong moderate weak very weak Calculating the correlation coefficient using the_________ function is useful to determine the type and strength of a relationship between two variables. CAUSATION COVARIANCES CORREL...
Using the book, write another paragraph or two: write 170 words: Q: Compare the assumptions of physician-centered and collaborative communication. How is the caregiver’s role different in each model? How is the patient’s role different? Answer: Physical-centered communication involves the specialists taking control of the conversation. They decide on the topics of discussion and when to end the process. The patient responds to the issues raised by the caregiver and acts accordingly. On the other hand, Collaborative communication involves a...