Answers| Latest Update| Already Graded A+
population ✔Correct Answer--Every person, place, or thing that could be sampled
Sample ✔Correct Answer--things collected to study
experimental unit ✔Correct Answer--thing you take a measurement on
variable ✔Correct Answer--characteristic you measured on the EU
Data value ✔Correct Answer--one value measured on one experimental unit
data ✔Correct Answer--list of all measurements
statistic ✔Correct Answer--something measured from sample data
parameter ✔Correct Answer--true population value
qualitative ✔Correct Answer--attribute
quantitiative ✔Correct Answer--numbers
Quant. Discrete ✔Correct Answer--only whole numbers make sense (# of children)
Quant. Continuous ✔Correct Answer--decimal places, can be more and more specific (weight)
Qual. Nominal ✔Correct Answer--No relative value (name, color)
Qual. Ordinal ✔Correct Answer--ordered with relative value (small, medium, large)
Characteristics of a good sample ✔Correct Answer--1. No Bias
2. Independent
3. Representative
4. Random
Bar graph ✔Correct Answer--a graph that uses vertical or horizontal bars to show comparisons
among two or more qualitative items; has gaps in between bars
circle graph ✔Correct Answer--A graph of qualitative data where the entire circle represents the
whole or 100%;
stem and leaf plot ✔Correct Answer--A method of graphing quantitative data by placing the "stem"
digits (or initial digits) in one column and the "leaf" digits (or remaining digits) out to the right.
Frequency histogram ✔Correct Answer--type of bar graph that shows frequency distributions of
quantitative data; no gaps in between bars