Box and whisker plot - Study guides, Class notes & Summaries

Chapter 03 Test Bank - Static KEY The median is the measure of central tendency that divides a population or sample into four equal parts. 1. FALSE The median divides a population into two equal parts. 2. The population mean is the average of the population measurements. TRUE Learning Objective: 03-01 Compute and interpret the mean, median, and mode. Topic: Describing Central Tendency AACSB: Reflective Thinking Blooms: Remember Difficulty: 1 Easy AACSB: Reflective Thinking Blooms: Re...

Tableau Desktop Specialist CertificationHow many rows of data appear in Tableau preview? - correct answer 1000 What is the data source page? - correct answer This is where you connect to a data source and see sheets from the data source (on left , shown) to bring into the join area. Drag or double click sheets to bring onto the canvas. What is a mark? - correct answer The shape used to represent data in the viz (bar, line, pie, etc) see "marks card" for full menu of marks features Dim...

What Are the Two Areas of Applied Biostatistics? Descriptive Statistics -Summarize a sample selected from a population Inferential Statistics -Make inferences about population parameters based on sample statistics. What is a statistic? What is a parameter? •Any summary measure computed on a SAMPLE is a Statistic •Any summary measure computed on a POPULATION is a Parameter T/F: N = population size. n = sample size True Label and explain the five points of a box and whisker plot. Min ...

Pax Math All Answers Correct perimeter of a rectangle formula P=2l+2w or 2(l + w) Peremiter of square formula P= 4 x side Brainpower Read More Triangle Perimeter Formula a+b+c (add 3 sides) Triangle Area Formula A=1/2bh ( base times height, divided by 2) rectangular pyramid a solid figure with a rectangle for its base and triangles for all other faces ( 4 triangles) Rectangular Pyramid Volume V=1/3lwh Formula for perimeter of circle Pie times d (d is diameter) OR...

Frequency On a histogram, _____________________ is the number of data values within the range for each class. Chart An _______ title is located at the top of the graph and describes the data shown. Brainpower Read More 0:02 / 0:15 Scale The _______________ is a part of the graph that helps indemnify the length or height of each bar Circle A ___________ graph is used when a part of the data values are being compared over time Line A ___________ graph is use...

What do descriptive questions ask? What happened? (e.g., which customers are most alike) What do predictive questions ask? What will happen? (e.g., what will Google's stock price be?) What do prescriptive questions ask? What action(s) would be best? (e.g., where to put traffic lights) What is a model? Real-life situation expressed as math. What do classifiers help you do? differentiate What is a soft classifier and when is it used? In some cases, ther...

MATH 225N Week 4 Statistics Quiz (Version 1) 1. Question: Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are ……. 16,14,14,21,15 2. Question: Given the following list of prices (in thousands of dollars) of randomly selected trucks at a car dealership, find the median…… 20,46,19,14,42,26,33 3. Question: Each person in a group shuffles a deck of cards and keeps selecting a card until a queen appears. Fin...

Frequency On a histogram, _____________________ is the number of data values within the range for each class. Chart An _______ title is located at the top of the graph and describes the data shown. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Scale The _______________ is a part of the graph that helps indemnify the length or height of each bar Circle A ___________ graph is used when a part ...

What are some of the consequences of outliers in k-means? - ANSWER It will drag the cluster center artificially to one side Because k-means is a heuristic and thus fast what can we do? - ANSWER run it several times choosing different clusters centers and choose the best one and we can choose different values of k How does bias/variance change as k changes in KNN? - ANSWER the higher the k, the higher the bias; the lower the k, the higher the variance. when k = 1, that is the most complex...

COB 191 Exam 1 (2023/2024) Already Graded A data values assigned to measurements primary data adv: collected and orgainzed by user dis: expensive and time consuming secondary data adv: readily available dis: no control over organization and accuracy nominal data -arbitrary labels -no ranking -name/label ordinal data -ranking exists -no measurable meaning to numerical differences -order/choices interval data -meaningful differences -no true value of zero -gives orders of values AND ability t...