Exam (elaborations)
Clemson University- Stat 2300 Exam 1 with answers
- Course
- Stat 2300
- Institution
- Clemson University
Clemson University- Stat 2300 Exam 1 with answers
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Clemson University- Stat 2300 Exam 1 withanswers
Statistics - ** VERIFIED ANSWERS🔰 ✔✔the science of collecting, organizing,
summarizing, and analyzing information to draw conclusions or answer questions
Population - ** VERIFIED ANSWERS🔰 ✔✔the entire group to be studied.
Sample - ** VERIFIED ANSWERS🔰 ✔✔the subset of the population in which we actually
collect data
Parameter - ** VERIFIED ANSWERS🔰 ✔✔numerical study of the population
statistic - ** VERIFIED ANSWERS🔰 ✔✔numerical study of a sample.
descriptive statistics - ** VERIFIED ANSWERS🔰 ✔✔the methods of organizing and
summarizing collected data. Describe data through tables, graphs, and numerical studies.
inferential statistics - ** VERIFIED ANSWERS🔰 ✔✔methods that take a result from a
sample, extend it to the population, and measure the reliability of the result- always contains
uncertaintity b/c a sample cannot tell us everything about a population
the process of statistics - ** VERIFIED ANSWERS🔰 ✔✔1. Identify the research objective,
2. Collect the data needed to answer the question(s) posed in (1). 3. Describe the data. 4.
Perform inference
, Variable - ** VERIFIED ANSWERS🔰 ✔✔any characteristic of the indiviuals within the
population
Quantitative - ** VERIFIED ANSWERS🔰 ✔✔Data that is in numbers
Qualitative - ** VERIFIED ANSWERS🔰 ✔✔Data in the form of words
distribution of a variable - ** VERIFIED ANSWERS🔰 ✔✔tells us what values it takes and
how often it takes these values
nominal level of measurement - ** VERIFIED ANSWERS🔰 ✔✔the values of the variable
name, label, or categorize. In addition, the naming scheme does not allow for the values of
the variable to be arranged in a ranked or specific order.
ordinal level of measurement - ** VERIFIED ANSWERS🔰 ✔✔if it has the properties of the
nominal level of measurement, however the naming scheme allows for the values of the
variable to be arranged in a ranked or ordered.
internal level of measurement - ** VERIFIED ANSWERS🔰 ✔✔if it has the properties of
the ordinal level of measurement, but the differences in the values of the variable have
meaning. A value of zero does not mean the absence of the quantity. Values can be
meaningfully added and subtracted.
ratio level of measurement - ** VERIFIED ANSWERS🔰 ✔✔If it has the properties of the
interval level of measurement and the ratios of the values of the variable have meaning. A
value of zero means the absence of the quantity. Arithmetic operations such as
multiplication and division can be performed on the values of the variable.
nominal and ordinal variables are - ** VERIFIED ANSWERS🔰 ✔✔qualitative
internal and ratio variables are - ** VERIFIED ANSWERS🔰 ✔✔quantitative
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