Answered: What is a prerequisite skill or prior…

What is a prerequisite skill or prior knowledge that a 2nd grade Math student should know prior to a lesson on using concrete models to add and relate them to Written Recordings?

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter87: An Introduction To G- And M-codes For Cnc Programming

Section: Chapter Questions

Problem 17A

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please solve all parts within 30 minutes.
An important issue in court cases is the accuracy of eyewitness testimony. Behavioral scientists have suggested eyewitnesses can be influenced by how a question is phrased. A researcher conducts a study where 15 people watch a film of an accident in which Car A runs a stop sign and hits Car B at a speed of 20 miles per hour. After watching the film, she asks each of the 15 people to estimate Car A's speed at the moment of impact (they do not know the actual speed). However, the question is phrased three different ways. Five people are asked, “How fast was Car A going at the time of the accident with Car B?” Another five are asked, “How fast was Car A going when it hit Car B?” The last five are asked, “How fast was Car A going when it smashed into Car B?” An investigator wants to determine if estimates of speed vary as a function of the wording of the question, with more extreme wordings leading to higher estimates, at 0.05 level. Let Xa be the group of people who were asked using the…
I need help with just part c. Someone on here already answered it for me but I'm really confused as there are steps missing and I'm not sure what to put in the calculator. " The first quartile separates the lowest 25% of the observations from the higher 75% of the observations. The first quartile is denoted by Q1. The second quartile separates the lower 50% of the observations from the higher 50% of the observations. The second quartile is denoted by Q2.The second quartile is same as median. The third quartile separates the lowest 75% of the observations from the higher 25% of the observations. The third quartile is denoted by Q3. The third quartile can obtained as follows...." Third Quartile is 1 somehow, and I don't understand how it is.
For the second part of this activity, determine which “average” would be a better representation WITHOUT being given a specific data set. This will require you to think about WHO is requesting or wants the data and then determine which “average” would better suit their needs. In real-life settings, most companies like to portray themselves in a better “light,” so you will have to think critically about how best to do that. Try to think of all the possibilities that can occur and if you need to, “create” a data set to help you determine which “average” to choose. Scenario Explanation a) The average number of pieces of lost luggage per flight from an airline company’s perspective b) The average weight of potatoes in a 10- pound bag c) The average age at first marriage for men in America
Q3 needed to be solved correctly in 30 minutes and get the thumbs up please show neat and clean work
How do I solve c, d, and e with the given data?
Provide a graphical display of respondent marital status (MARITAL), where: 1 = Married; 2 = Widowed; 3 = Divorced; 4 = Separated; 5 = Never married. Can you tell me the steps to do this in excel and the formulas to use, as I cannot share the actual excel spreadsheet with the data here.