that you ) The data shown from below represents information of each TV program.
ID: 3368706 • Letter: T
Question
that you ) The data shown from below represents information of each TV program. (10 points) Network Viewers (mitlion) Day Sunday Thursday saturday Rating CBS 7.7 7.7 10.5 12 15 NBC a. Identify the individuals being studied. (1 point) b. Identify the variables and their corresponding data being studied. (3 points) c. Identify the variables that are qualitative or quantitative. If the variable is quantitative, id discrete or continuous. (3 points) d. Identify the level of measurement of each variable. (3 points)Explanation / Answer
(a) individual-a person or object that is a member of the population being studied
here the individuals are TV programs which are studied.
(b) There are basically 4 variables-
Rating- rating of a TV program ,
Network-on which network that program is telecasted,
viewers-no of viewers of that TV program in millions ,
day-on which day a particular TV program is telecasted.
(c)
qualitative (categorical) variables-allow for classification of individuals based on some attribute or characteristic
- here it is network and day
quantitative variables-Provide numerical measures of individuals
-here rating and viewers are quantitative variables
discrete variable-A quantitative variable that has either a finite number of possible values or a countable number of possible values. So both rating and viewers are discrete.
(d)
ordinal level of measurement-The values of a variable name, label, or categorize. The naming scheme does not allow for the values of the variable to be arranged in a ranked or specific order.
Example-day,network
ratio level of measurement-the variable has the properties of the interval level of measurement and the ratios of the values of the variable have meaning. Zero means the absence of quantity. Multiplication and division can be performed on values of the variable. Example-viewers
ordinal level of measurement-The variable has the properties of the nominal level of measurement and the naming scheme allows for the values of the variable to be arranged in a ranked or specific order.Example-rating
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