MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The Acme School of Locksmiths has been accredited for the past 15 years. Discuss how this information might be interpreted as a
a. qualitative variable
b. quantitative variable
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- 1. In one or two sentences describe your population. 2. What did you use for your qualitative data? Is it nominal or ordinal? 3. What did you use for your quantitative data?arrow_forwardSuppose the observational units in a study are the patients arriving at an emergency room on a given day, Nov 11, 2019. Number of patients that arrive before noon is a qualitative variable is a quantitative variable is not a variablearrow_forward8 Here we are talking about quality control and the control charts depends variable or attribute . THE TITLE IS ... GYMS .... WE NEED THIS CHARACTERSTICS ( 3 THINGS ENOUGH ) NOTE ; TALKING ABOUT .... GYMS .... Define the quality characteristics and identify whether they are variable or attribute. Explain in detail how they are related to the quality of the product/servicearrow_forward
- 1. Identify whether the variable in the information below is qualitative or quantitative. A nurse collects blood from kids and measure their blood-sugar content. This measure of blood-sugar concentration is a variable. a. quantitative b. qualitative c. qualitative as well as quantitative d. neither qualitative nor quantitative 2. Identify the technique for gathering data in the study below. A pharmaceutical firm wants test the effectiveness of a new drug. It wants to know if the new drug is significantly stronger than the conventional drug. This is a/an study. a. observational b. experimental c. census d. sampling 3. You want to plot a frequency graph of daily rainfall, with rainfalls (inches) on the horizontal axis. You will use a a. bar chart b. histogram c. cumulative frequency d. best fit line 4. Frequency of categorical data are displayed using a a. bar chart b. histogram c. time series graph d. best fit linearrow_forwardDetermine which of the following variables are quantitative. A: Rating of the effectiveness of a new cold remedy (Not effective, Somewhat effective, Very effective) B: Amount of time spent assembling a five-shelf bookcase. C. Number of children in a family. Group of answer choices A and B and C B and C A and C A and Barrow_forwardConsidering yourselves to be observational units, explain why the following are not variables: Average amount of hours worked in the past 24 hours among students in our class. Proportion of students in our class who are first-generation college students Have left-handers read more Harry Potter books, on average, compared to right-handers?arrow_forward
- C6. Let's continue our analysis of offenders and victims of violent crime. In the following table, U.S. Department of Justice 2011 data for the sex of offenders and the sex of victims are reported. Sex of Offender Sex of Victim Male Female Male 3,760 450 Female 1,590 140 Source: U.S. Department of Justice, Expanded Homicide Data, Table 6, 2011.arrow_forwardProvide detailed definitions for the list of words and/or phrases below: Descriptive Statistics also called Raw data can be hard to interpret so we will use 1. 2. Which methods to use depends on the type of variable(s) being analyzed.arrow_forwardYour electronic files, including both excel and word files, must be submitted. Please use a separate worksheet in excel for each question and label them respectively. Please type the section number of your class, name and ID of the team members on the file. 1. Researchers wanted to understand college students' usage of time. A formal survey of 3,000 students was taken and the results are summarized as follows: Activity Attending class Sleeping Socializing & recreation Studying Working, volunteering, student clubs Percentage (%) a) Construct a bar chart, a pie chart, and a Pareto chart. b) What conclusions can you reach concerning what college students do with their time? ii. iii. iv. 9 24 51 7 9 2. Examine the data in the file "Class survey data.xls" posted in the week 5 of course portal. a) Create a descriptive statistics summary table using Data Analysis Toolpak (Add in for Excel) for survey questions 2 through 10 inclusive. b) Identify the data types of each of the 9 variables as…arrow_forward
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