INTRODUCTION
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Bonus Point
A quality control inspector at a computer assembly plant needs to estimate the number of defective computers in a group of 250 computers. He tests 25 randomly chosen computers. What is the population?
Computers
How do you determine cumulative frequency?
By adding the frequency of the data before the given class interval.
WHAT TYPE OF CHART CAN PRESENT THE DATA BELOW?
Data of most favorite fruits : Apple, Orange, Orange, Grape, Apple, Mango, Apple, Grape, Orange, Grape, Apple, Apple
BAR CHART
PIE CHART
What is the range of the following data set:
1, 1, 3, 5, 5
4
What is the best data collection method you need to use if you want to know the favorite anime character of your batchmates?
Survey/Indirect Method
Teacher Jane wants to know the common height of Grade 7 students in the school. She interviews only 10 grade 7 students per section.
What type of sampling method did she used?
Stratified Sampling
Identify the highest score given this data.
45, 67, 89, 55, 63, 67, 65, 63, 97, 87, 55, 89, 89, 45, 67
97
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Choose another question
What is the result of 35 + 12 ?
47
Cite two fields where we can see the importance of Statistics.
Business
Education
School
Government
Medicine
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Choose another Question
Given the total frequency is 20, what is the relative frequency of a class interval with 5 as the frequency?
5/20 or 25%
A chart/graph that shows trends in time.
Line Graph
When we giving explanation to others about the data in a graph, we are doing....as part of statistics
INTERPRETING DATA
It is a data collection method done when a person solicits information from another person(face-to-face)
Interview (Direct Method)
What is the of classmark 50 - 75?
62.5
Which application usually used to presenting data in statistics?
MICROSOFT EXCEL
Christiano team has scored the following numbers of goals in recent games 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3. What type of distribution for the above data?
Raw Data
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No Point
A sample should be _______________.
REPRESENTATIVE/CAME FROM POPULATION.
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Bonus
What does pie chart illustrates?
RELATIVE FREQUENCY
Define RANGE.
Range is the difference of the highest and lowest data.