Question

which of the following variables would be considered to be measured on a continuous scale?

age

Gender

Religeon

proncipal diagnosis

Answer #1

Gender clearly is a dichotomous variable which is a categorical variable as it could only have 2 categories and so it cannot be put on the continuous scale. The same case is with the variable religion which is a categorical variable and so it cannot be continuous.

We know that Age is a numerical variable and also there could be ages in between two ages, like between 2 and 3 years, which shows that it is a continuous numerical variable

**Therefore Age should be the correct variable
here.**

Which measure of central tendency would you use for the
following variables (mean, median or mode). Explain your
choice.
Gender:
Class rank at a college:
Age of high school students:
A skewed income distribution (90% with incomes under $150K; a
few with incomes of several million):

Which of the following random variables are
continuous?
The time that an individual spend talking on their phones
during a given week.
The number of 911 calls responded daily by the NYC police
The daily rentals rates for luxury cars in the US
Provide your own examples of at least 2 more continuous
variables and explain why they are continuous.

The dataset contains the following variables:
Gender (Gender of subject)
Age (Age of individual in complete years)
Ethnicity (Ethnic group that individual belongs to)
Marital (Marital status of individual)
Qualification (Highest educational qualification obtained)
PostSchool (Whether or not highest qualification is post
school)
Hours (Average weekly hours of work from all
wage and salary jobs (rounded to nearest whole number))
Income (Average weekly income from all sources, excluding
investment income (rounded to nearest whole number))
For each variable in the...

A) Select
all of the following variables for which a pie chart would
be a valid visual display.
Group of answer choices
- final letter grades for students in STAT 2300
- the gender of students enrolled in STAT 2300
- the number of Economics majors taking STAT 2300
- final scores for students in STAT 2300
B) Select
all of the following variables that could be displayed
using a Pareto chart.
Group of answer choices
- the eye color...

Which of the following is not considered a barrier to entry?
Economies of scale
Patents
Control of a scarce resource
Licensing
Perfect price discrimination???

Classify each of the following variables as either measurable
(continuous) or categorical. If a variable is categorical, indicate
whether it is nominal or ordinal. Justify your answer. (Note: No
marks will be given without justifications.) a. The level of
impurity in water (measured in milligrams per liter). b. The
various political parties in Singapore. c. The education level of
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5-point Likert scale used in surveys. The 5 points are described as
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Which of these variables are nominal variables?
Age
Gender
Reported calcium level (mmol/L) for each patient
Reported phosphorus level (mmol/L) for each patient
Reported alkaline phosphatase level (IU/L) for each patient
Six laboratories (coded as 1 to 6 in the dataset).
Five age groups (65-69, 70- 74, 75-79, 80-84, 85-89)

The Pearson product-moment correlation coefficient r is
appropriate for variables, which is measured on at least which
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Here are some variables are recorded in research. Please
identify which variables are categorical and which are quantitative
A. Gender B. Age C. Income D. City of origin

Which of the following statements about continuous random
variables and continuous probability distributions is/are TRUE?
I. The probability that a continuous random variable takes a
specific value is 0.
II. The probability that a continuous random variable takes a
negative value is 0.
III. The probability that any uniformly distributed random
variable takes a value less than its mean is 0.5.
IV. The probability that a normally distributed random variable
takes a value less than its mean is 0.5.

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