Upper quartile is the lowest value of
Arithmetic mean is of
Arithmetic mean is of two types:
Deciles refer to the division of series into
Deciles, as its name suggests, refers to the division of series into ten equal parts. The value of each part is known as deciles.
The another name of the 'measure of central tendency' is called
Measures of central tendency refers to all those methods of statistical analysis which are used to calculate the average of a set of data.
Arrangment of data in the given series is required while computing
Median requires arrangement of data in either ascending or descending order before calculating median.
Lower limit of first group and upper limit of last group are undefined in
In case of classes like, below 10, 1020, 2030, 3040, 4050, above 50, computation of arithmetic mean would be impossible unless we assume the unknown limits.
Which of the following is not a measure of central tendency?
► Standard deviation is the measure of how spread out the numbers of a data are.
► Mean is the average.
► Median is the middle number, when data is arranged in numerical order.
► Mode is the data item the appears most frequently.
Mean, median and mode are all measures of central tendencies.
The mathematical average is also called
► Mean is a mathematical average.
The arithmetic mean or mean is defined as the sum of values of a group of items divided by the number of items. It is denoted by mean.
Calculation of mean is very difficult in case of
In case of open end classes, computation of arithmetic mean would be difficult unless we assume the unknown limits.
Value that divides the series into hundred equal parts is called
Values that divide the series into hundred equal parts are called percentiles. In percentile, we get 99 dividing positions denoted by P_{1}, P_{2},……..,P_{99}.
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