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WorksheetsChapter 1 Statistics Definitions
Total questions: 20
Worksheet time: 10mins
The set of ALL individuals, objects or measurements that are being studied.
Population
Sample
Subset
Parameter
A measure of central tendency that describes the center of the data.
Average
Frequency
Parameter
Proportion
Day of the week would be considered what type of variable?
Continuous variable
Categorical variable
Quantitative variable
Sample variable
Weight of a newborn baby would be considered what type of variable?
Discrete variable
Qualitative variable
Continuous variable
Categorical variable
Number of chips in a bag of Doritos would be considered what type of variable?
Discrete variable
Categorical variable
Qualitative variable
Nominal variable
True or False:
Qualitative variables can be assigned a numerical value while quantitative variables are assigned a label.
True
False
Which of the following would NOT be considered a qualitative variable
Color
Size of shirt (XS, S, M, L, XL, XXL)
Breed of dog
Cost of shirt
True or False:
A numerical characteristic of a sample, a statistics, is an estimate of a population parameter.
True
False
Duration of a TV show would be considered what type of variable?
quantitative discrete
quantitative continuous
qualitative categorical
qualitative continuous
______________ is a mathematical tool used to study randomness.
statistics
pearson
probability
inferential
Complete the analogy:
population: parameter as sample: ________
statistic
data
mean
proportion
Consider the population of LOA students, which of the following would be a representative sample.
Randomly selecting 20 Freshman
Randomly selecting 50 people in first lunch
Randomly selecting 15 people from each grade
Selecting all students in Mrs. Heberling's ELA class
____________ is a characteristic or measurement that can be determined for each member of a population.
Mean
Parameter
Sample
Variable
True or False:
Data are the actual values of the variable.
True
False
Consider the following scenario:
Dr. McCracken wants to know the average GPA of first year college students that graduated from LOA. She randomly selects 5 students from LOA's class of 2024 and asks them what their Freshman year GPA was. The 5 students responded with: 2.75, 4.0, 3.21, 3.14.
What is the population in this scenario ?
5 students from LOA's class of 2024
first year college students that graduated from LOA
College freshman
All LOA students
Consider the following scenario:
Dr. McCracken wants to know the average GPA of first year college students that graduated from LOA. She randomly selects 5 students from LOA's class of 2024 and asks them what their Freshman year GPA was. The 5 students responded with: 2.75, 4.0, 3.21, 3.14.
What is the sample in this scenario?
5 students from LOA's class of 2024
first year college students that graduated from LOA
College freshman
All LOA students
Consider the following scenario:
Dr. McCracken wants to know the average GPA of first year college students that graduated from LOA. She randomly selects 5 students from LOA's class of 2024 and asks them what their Freshman year GPA was. The 5 students responded with: 2.75, 4.0, 3.21, 3.14.
What is the parameter in this scenario?
The mean GPA of the 5 students
The mean GPA of first year college students that attended LOA.
The number of LOA freshman students
GPA
Consider the following scenario:
Dr. McCracken wants to know the average GPA of first year college students that graduated from LOA. She randomly selects 5 students from LOA's class of 2024 and asks them what their Freshman year GPA was. The 5 students responded with: 2.75, 4.0, 3.21, 3.14.
What is the statistic in this scenario?
The mean GPA of the 5 students
The mean GPA of first year college students that attended LOA.
The number of LOA freshman students
GPA
Consider the following scenario.
A survey of athletes in a university was conducted to study the heights of athletes (in meters).
Which best describes the population.
All students at the university
All student athletes surveyed
All student athletes at the University
The height of the athletes
Consider the following scenario.
A survey of athletes in a university was conducted to study the heights of athletes (in meters).
Which best describes the statistics.
The average height of all University athletes
The average height of the surveyed athletes.
The height of one athlete
The height of all athletes
