Chapter 1: What is Statistics?
Are these Match ups correct? Nominal - Types of fruit in a grocery store Ordinal - Shoe Size Interval - Stock prices Ratio - Movie ratings
No, Nominal - Types of fruit in a grocery store Ordinal - Movie ratings Interval - Shoe size Ratio - Stock prices
What level of data is represented by the height of the men on a basketball team?
Ratio
How does statistics help with a large amount of numerical information?
A good working knowledge of statistics is useful to organize and summarize information.
Which of the following are attributes of a continuous quantitive variable? Choose all that apply. It can take on any value within a range of values. It can only be represented by integer values. It is typically the result of measuring something. There is no required gaps between values.
It can take on any value within a range of values. It is typically the result of measuring something. There is no required gaps between values.
Which of the following best describes interval level data? The ratio between two measures is meaningful. The measures can be ranked in order. The distance between two values is a known unit of measurement. The observations can only be counted.
The distance between two values is a known unit of measurement.
Which of the following that are discrete variables? Choose all that apply. The number of cars for sale in a used car lot. The number of customers using an ATM on any given day. The amount of time a student studied for a test. The height of trees in Central Park.
The number of cars for sale in a used car lot. The number of customers using an ATM on any given day.
What level of data is represented by the fire risk today in the National Forest?
Ordinal
What level of data is represented by the genres of music played by different radio stations?
Nominal
The nominal level of data describes What type of information? Observations of a quantitive variable where differences between measures are constant in size. Data that can be ranked in order. Data that can be measured using a continuous variable. Observations of a quantitive variable that can only be classified and counted.
Observations of a quantitive variable that can only be classified and counted.
Which of the following variables is recorded at the ratio level of measurement? The temperature on the first day of spring. Salaries of business school graduates. The most popular color of car. A ranking of a students favorite teacher.
Salaries of business school graduates.
Which of the following are attributes a discrete quantitative variable? Choose all that apply. It can on on any value within a range of values. There are gaps between the values of this variable. It can assume only certain values within a range. It can be used to count Items, in which case it can only have internal values.
There are gaps between the values of this variable. It can assume only certain values within a range. It can be used to count Items, in which case it can only have internal values.
Which of the following are properties of ratio level data? Choose all that apply. It has all the properties of interval level data. There is a true zero point. The ratio of two values in meaningful. It is a qualitative measure with no natural ordering.
It has all the properties of interval level data. There is a true zero point. The ratio of two values in meaningful.
Which of the following represents Statistical Information? Select all that apply. The average poodle is larger than the average setter. On average there are 12.5 chocolate chips in a chips Hello cookie. The median income in Wasau County is $40,578 per year. Lucky's market sells a maximum of 240 kilograms of apples per month.
On average there are 12.5 chocolate chips in a chips Hello cookie. The median income in Wasau County is $40,578 per year. Lucky's market sells a maximum of 240 kilograms of apples per month.
