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What is the sum of the product of the frequencies and the square of the class marks (ΣfX²60,55,40,48,52,36,50?
measures of central tendency of group data
Step 1: Find the midpoint of each interval. Step 2: Multiply the frequency of each interval by its mid-point. Step 3: Get the sum of all the frequencies (f) and the sum of all the fx. Divide 'sum of fx' by 'sum of f ' to get the mean.
Determine the class boundaries by subtracting 0.5 from the lower class limit and by adding 0.5 to the upper class limit. Draw a tally mark next to each class for each value that is contained within that class. Count the tally marks to determine the frequency of each class.
What is this? The class interval is the difference between the upper class limit and the lower class limit. For example, the size of the class interval for the first class is 30 – 21 = 9. Similarly, the size of the class interval for the second class is 40 – 31 = 9.
What else can I help you with?
Does cumulative frequency is the total of all class frequencies up to but not including the frequency of the present class?
No.
What efficiency class does this product belong to?
This product belongs to the efficiency class A.
What is cumulative frequency?
Cumulative frequency is the running total of class frequencies.
How is a frequency distribution converted to a relative frequency distribution?
The relative frequency of a class is the frequency of the class divided by the total number of frequencies of the class and is generally expresses as a percentage.
Is frequency polygon proportional to class frequency?
No, a frequency polygon is a type of data visualization that uses line segments to connect points representing the frequencies of different classes. It shows the distribution of data values, but it does not necessarily represent the actual class frequencies.
When was A Juvenile Product of the Working Class created?
A Juvenile Product of the Working Class was created on 1996-09-10.
How can you get frequencies missing given mode and class limits?
You cannot - except in very trivial cases.
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What is upward stretch product lining?
upward stretch: a company which introduce its products to economic class or popular class then after some time increase it to premium class by introducing the product accordingly. is called upward stretch..
Where do you find a product map of Tennessee?
Class Brain.com
What is product category in marketing?
The class ofproducts to which abrandbelongs,
What is multi product branding?
A company uses one name for all it's products in a product class.
