Smoking habits of UK residents: A survey was conducted to study the smoking habits of UK residents. Below is a data matrix displaying a portion of the data collected in this survey. Note that "£" stands for British Pounds Sterling, "cig" stands for cigarettes, and "N/A" refers to a missing component of the data.   sex age marital grossIncome smoke amtWeekends amtWeekdays 1 Female 42 Single Under £2600 Yes 12 cig/day 12 cig/day 2 Male 44 Single £10,400 to £15,600 No N/A N/A 3 Male 53 Married Above £36,400 Yes 6 cig/day 6 cig/day ∶ ∶ ∶ ∶ ∶ ∶ ∶ ∶ 1474 Male 40 Single £2600 to £5,200 Yes 8 cig/day 8 cig/day a) What does each row of the data matrix represent? b) How many participants were included in the survey? c) Identify each variable, determine whether each variable is numerical or categorical. If the variable is numerical, specify continuous or discrete. If the variable is categorical, specify whether the variable is ordinal or not.

Q: The table to the right shows data found at a government census website, under a "Did All You Know"…

A: the correct answer would be:B. The information is distributed by an organization or individual.

Q: Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported…

A: Given data:   Current Year Previous year Occupied rooms 1512 1458 Total rooms 1800 1800

Q: leek Price/Package Packages Sold 1 $4.00 1,000 2 $4.00 1,000 3 $3.00 3,000 4 $2.00 10,000

A: We will use the concept of weighted average in this case. The formula for weighted average…

Q: In 2010, the Pew Research Center questioned 1096 adults in the U.S. to estimate the proportion of…

A: Population :     Correct choice is (f) All adults in the U.S. Sample :      Correct choice is (e)…

Q: Median Income in $ Median Income in $ Visa Stream 2015 2017 Skilled 55,248 55,904 Family 36,977…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Make a graphical display of the following data sets, choosing nay type of display that you feel is…

A: The data is provided for the total number of automobile fatalities and the number of fatalities in…

Q: Marks Number of Students 0-20 10 20-40 22 40-60 35 60-80 28 80-100 LO

A:

Q: are collected? a. Primary data b. Raw data S. Serondary data

A: When the data is initially collected, a process is held to list the data in the original form. This…

Q: A researcher asked 850 people what their favourite type of TV programme was business news, general…

A: # The Chi-square test analyzes categorical data. It means that the data has been counted and divided…

Q: Anya gathered a random sample of chips from a popular company. She calculated data on different…

A: Given that Arya gathered a random sample of chips from a popular company and for the data collected,…

Q: 3. Solano College wanted to know if their student body was changing its educational make up. In…

A: The question is about categorical data analysis Given : To test : Is the educ. make - up of the…

Q: When a researcher collects data from its original source, this is considered  a. quantitative data…

A: We have  to find correct option for question

Q: The issue or entity on which data are collected is called ?

A: Elements are entity on which data is collected A variable is characterstic of interest of element

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A: Regression analysis : Linear Regression analysis is used to measure the association or linear…

Q: In mileage consumption testing, automobiles were road-tested for both Metropolitan and Fre-…

A: metropolitan freeway 16 19 17 20 19 18 14 18 18 19 15 17 16 17 16 18 18 19

Q: The data to the right represent the cost of living for 20 states. The cost of living average price…

A: The data to the right represent the cost of living for 20 states. The cost of living is a measure of…

Q: The electric energy consumed each month by a manufacturingwarehouse is imagined to be linked to the…

A: According to the given information, the electric energy consumed each month by a manufacturing…

Q: Make your own pie chart to represent this data

A: Pie chart is used to represent the percentage and the relative frequency of the data set. It shows…

Q: Do various occupational groups differ in their diets? A British study of this question compared 98…

A: Introduction The sample mean is denoted by x¯ and the sample sd is denoted by s.

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Q: A national survey of graduate students is conducted to assess their consumption of coffee. The…

A:

Q: There is a relationship between the average age of mothers and the average number of cesarean…

A: Given that there is a relationship between the average age of mothers and the average number of…

Q: Which of the following would be the least helpful type of data to a car manufacturer when making…

A: Manufacturer when making business decisions on the basis of provided data

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A: The data is collected from 20 vehicles regarding the price, the fuel economy, the number of doors,…

Q: What is the difference between a histogram and a bar chart? For what type of data would each be…

A: A histogram and bar plots are both constructed as possible values of the variable on the x-axis and…

Q: What is the difference between a bar chart and a histogram? Why are the bars separated in the former…

A: Bar chart (B) is used to summarize the categorical data where each bar represent each category.…

Q: What is the relationship between the average income and the level of education in a given…

A:

Q: Each year forbes ranks the world’s most valuable brands. A portion of the data for 82 ofthe brands…

A: a.

Q: What type of data (categorical, discrete numerical, continuous numerical)

A: Here identifying type of data  Categorical data : which is names or label Numerical: which is…

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.