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MIS 301 SHAUL EXAM 1 SDSU questions with verified solutions (6)
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MIS 301 SHAUL EXAM 1 SDSU questions with verified solutions (6)
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MIS 301 SHAUL EXAM 1 SDSU questionswith verified solutions (6)
Descriptive Statistics - correct answer ✔✔The process of organizing and summarizing data
Inferential Statistics: - correct answer ✔✔Using probability to determine how confident we can be that
our conclusion is correct
Probability - correct answer ✔✔tool used to study randomness
Population - correct answer ✔✔collection of people or things
Sample - correct answer ✔✔a portion of the population that is to be studied to gain information about
the entire population
Statistic - correct answer ✔✔a number that represents a certain property of the sample
Parameter - correct answer ✔✔a number characteristic of the population that can be estimated by a
statistic
Qualitative Data - correct answer ✔✔data relating to attributes of the population that are characteristics
(often called categorical data)
Quantitative Data: - correct answer ✔✔deals with numerical values of the population (height, weight)
Discrete data: - correct answer ✔✔the result of counting (whole numbers, ex: the number of phone calls
you get in a day)
Continuous data - correct answer ✔✔results of measurements (lengths, time)
, Simple Random Sample - correct answer ✔✔any group of individuals has the same chance of being
chosen for the test group (usually chosen through a computer)
Stratified Sample: - correct answer ✔✔Divide the population into groups called strata based on
characteristic and take the same amount of people from each strata
Cluster Sample: - correct answer ✔✔divide the population into clusters and sample everyone from a
single cluster
Systematic Sample - correct answer ✔✔select a starting point and take every Nth person to be part of
the sample
Convenience Sampling - correct answer ✔✔using results based on convenience like interviewing
customers
Without Replacement: - correct answer ✔✔Someone may be chosen only once for a sample or survey
(you don't replace someone after they have been chosen)
With Replacement: - correct answer ✔✔Someone can be chosen multiple times because once they are
done they go back into the population to perhaps be picked again
Nominal Scale: - correct answer ✔✔qualitative (categorical) data only, not ordered/order doesn't matter
or change anything of substance (care model, major)
Ordinal Scale: - correct answer ✔✔qualitative, but order does matter and affects the outcome (top 5
national parks) the ranking scale is not equal to the attribute
Interval Scale: - correct answer ✔✔has a definite ordering but there are differences among data, data
can be measured but does not have a starting point, equal scale differences (calendar time, IQ scale)
Ratio Scale: - correct answer ✔✔ratio data has a 0 point and ratios can be calculated (exam grade out of
100) equal scale distances
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