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41 Cards in this Set
- Front
- Back
- 3rd side (hint)
What is a Statistics? |
A branch of applied mathematics that deals with the collection, organization, presentation, analysis and interpretation of data |
A branch of applied mathematics C O P A I |
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Statistics |
Collection, Organization, Presentation, Analysis, and interpretation of data |
C O P A I |
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Descriptive Statistics |
Deals with the collection and presentation of data and collection of summarizing values to describe its group characteristics |
summarizing |
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Descriptive Statistics |
Organize, Summarize, Simplify describe and present data |
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Descriptive Statistics |
data summary (bargraphs, histogram, pie charts, etc) |
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Inferential Statistics |
Deals with the predictions and inferences based on the analysis and interpretation of the results of the imformation gathered by statistican |
Generalize from sample to population |
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What is a Variable? |
Characteristics of objects or individuals |
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what is a random variable |
Numerical quatities that is derived from the outcomes of random exriments |
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Types of random Variables |
Discrete, Continuous |
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Discrete Variable |
is a numerical value associated with the desired outcomes. |
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Discrete Variable |
It is also either a finite or infinite number of values but countable such as whole numbers 0,1,2,3 |
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Continuous Variable |
Has infinite numerical values associated with any interval on the number line system wothout any gaps or breaks. |
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continuous variable |
-Weight -skull circumference -temperature -Height |
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Example Discrete Variable |
-the number of daily admissions in a hospital |
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discrete probability distribution |
probability mass function |
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consists of the values a random variable can assume and the corresponding probabilities of the values |
discrete probability |
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Step 1 |
Determine the sample space |
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step 2 |
count the number of ___ in each outcome in the sample space and assign this number to this outcome |
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Wich of the following is the type of statistics that deals with the collection and summarizing of gathered data? |
Descriptive Statistics |
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Determine the sample size when you toss a die |
1,2,3,4,5,6 |
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Which of the following is the type of random variable that deals with the countable outcomes? |
Disrete Variable |
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Determine the sample size when you flip a 10 peso coin |
head and tail only |
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Classify the given if it is DISCRETE or CONTINUOUS. -Temperature in Baguio City- |
Continuous |
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Which of the following is the process of collecting data? |
collection, organization, presentation, analysis and interpretation |
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Classify the given if it is DISCRETE or CONTINUOUS. -Number of cellphones sold in ABC Store- |
Discrete |
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Classify the given if it is DISCRETE or CONTINUOUS. -Students enrolled in Grade 11 Descartes- |
Discrete |
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Classify the given if it is DISCRETE or CONTINUOUS. -Height of students athlete- |
Continuous |
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Among the choices below, which of the following is the characteristics of an objects? |
Variable |
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Which of the following is the type of statistics that deals with the prediction and analysis of gathered data? |
Inferential Statistics |
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Which of the choices below is incorrect |
Sample-Numerical |
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Among the choices below, which of the following is a variable whose value is unknown or a function that assigns values to each of an experiment's outcomes. |
Random Variable |
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Which of the following is NOT an example of continuous variable |
Number of injured motorists in Quezon City yesterday |
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Classify the given if it is DISCRETE or CONTINUOUS. -Number of points scored in Volleyball- |
Discrete |
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Which of the choices below is incorrect in Statistics |
Variable- x and y |
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Classify the given if it is DISCRETE or CONTINUOUS. -weight of your classmate- |
Continuous |
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Classify the given if it is DISCRETE or CONTINUOUS. -shoe size of your sister- |
Continuous |
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Which of the following is the type of random variable that deals with the infinite and measurable outcomes? |
Continuous Variable |
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Classify the given if it is DISCRETE or CONTINUOUS. -Amount of money spent in Christmas- |
Discrete |
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This is the collection of all possible outcomes. |
Sample Space |
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Classify the given if it is DISCRETE or CONTINUOUS. -speed of a bus- |
Continuous |
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The _____ is the weighted average of the possible values that the random variable can take. |
mean of a discrete random variable X |
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