STA 115 In-Class Notes Practice

Cindy Nguyen
Quiz by Cindy Nguyen, updated more than 1 year ago
Cindy Nguyen
Created by Cindy Nguyen over 2 years ago
2
0

Description

This is a practice quiz based off of notes I've taken in class.

Resource summary

Question 1

Question
Statistics is a set of [blank_start]procedures[blank_end] for analyzing info to help make a decision.
Answer
  • procedures

Question 2

Question
Science of data: used for collecting, organizing, displaying, describing, and [blank_start]analyzing[blank_end] data. Data: pieces of [blank_start]information[blank_end] collected.
Answer
  • information
  • analyzing

Question 3

Question
Population: entire group Sample: [blank_start]subset[blank_end] of the population
Answer
  • subset

Question 4

Question
Various ways of data collection: - surveys - observational studies (is there a [blank_start]relationship[blank_end]?) - experiments (is there [blank_start]cause[blank_end] and effect?)
Answer
  • relationship
  • cause

Question 5

Question
Surveys Census: entire [blank_start]population[blank_end] is asked to respond to questions Sample Survey: [blank_start]sample[blank_end] is selected and asked
Answer
  • population
  • sample

Question 6

Question
Observational Study vs. Experiment Observational Study: "What is" - look don't touch, no [blank_start]influence[blank_end] Problems with this? - can't determine [blank_start]cause[blank_end] & effect - if you want a cause & effect you would have to actively manipulate a variable ([blank_start]Experiment[blank_end]) Experiment: determines cause & effect
Answer
  • influence
  • cause
  • Experiment

Question 7

Question
Inferential Statistics: analyses for data from a sample to infer something about a [blank_start]population[blank_end] Probability: likelihood that a certain outcome will [blank_start]occur[blank_end] Using statistics in the Research process: 1. Identify [blank_start]objective[blank_end] 2. Collect [blank_start]data[blank_end] 3. Organize, display, and [blank_start]describe[blank_end] data 4. [blank_start]Analyze[blank_end] data
Answer
  • population
  • occur
  • objective
  • data
  • describe
  • Analyze

Question 8

Question
It is important to avoid biased data.
Answer
  • True
  • False

Question 9

Question
Convenience sampling: selecting individuals who are [blank_start]easiest[blank_end] to reach Voluntary sampling: Individuals [blank_start]choose[blank_end] to be in the sample
Answer
  • easiest
  • choose

Question 10

Question
You should always do convenience sampling or voluntary response sampling. You avoid bias by either selecting yourself or having people volunteer.
Answer
  • True
  • False
Show full summary Hide full summary

Similar

GoConqr Getting Started Guide
Norman McBrien
AS Biology- OCR- Module 1 Cells Specification Analysis and Notes
Laura Perry
GCSE Computing: Hardware
Yasmin F
Plot in 'An Inspector Calls' GCSE
magicalinsanity
Gatsby notes on symbolism and themes
Maria-Rodriguez
Present Perfect Simple
Kasia Fryt
Present Perfect Simple
sandra esteves
Stalin's Russia AS Notes
Asterisked
The Heart
Thomas Marshall
P1- OCR 21ST Century
Archana R
Transform your Material with Online Notes
megclark