WorksheetsJahna Stats Ch 1-2
Total questions: 10
Worksheet time: 10mins
Statistics is the science of conducting studies to
solve a system of equations
hypothesize, experiment, and form conclusions
collect, organize, summarize, analyze, and draw conclusions form data
monitor, study, and report on a subject
What level of measurement classifies data into mutually exclusive categories in which no order or ranking can be imposed on the data?
nominal
ordinal
interval
ratio
A person's hair color would be an example of a quantitative variable.
True
False
If you were told that all students from one randomly selected class at SFSC were questioned for a poll about study habits, this would be an example of _____.
random sampling
systematic sampling
stratified sampling
cluster sampling
An advertisement for a motorcycle states that it is 15% more powerful. This is an example of _____.
changing the subject
detached statistics
suspect samples
ambiguous averages
Which of the following pairs of class limits would be appropriate for grouping the numbers 14, 17, 12, and 19?
11-15 and 15-19
12-14 and 17-19
12-14 and 15-19
12-15 and 16-19
Thirty students recorded the colors of their eyes, choosing from the colors brown, blue, green, hazel, and black. This data can be appropriately summarized in a(n) __________.
open-ended distribution
categorical frequency distribution
grouped frequency distribution
upper boundary
An ogive is also called a cumulative frequency graph.
True
False
Which type of graph represents the data by using vertical bars of various heights to indicate frequencies?
ogive
frequency polygon
histogram
cumulative frequency
When making a Pareto chart, data should be arranged ______ according to frequency.
from smallest to largest
with increasing time
from largest to smallest
clockwise
