Measures Of Central Tendency CBSE Questions & Answers

Measures Of Central Tendency

This is Economics Class 11 Measures of Central Tendency CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The median of an ordered set of data is the value that represents
  • A
    The arithmetic average of the data values
  • B
    The mean of the squared deviations of the values from the mean
  • C
    The most frequently observed value
  • D
    The middle or approximate middle of the data set
    Correct
2
Measures of central tendency are
  • A
    Inferential statistics that identify the best single value for representing a set of data
    Correct
  • B
    Descriptive statistics that identify the spread of the scores in a data set.
  • C
    Descriptive statistics that identify the best single value for representing a set of data
  • D
    Inferential statistics that identify the spread of the scores in a data set.
3
Which of the following is not a characteristic of the mean?
  • A
    It is best used with ordinal data.
    Correct
  • B
    It minimizes the sum of squared deviations.
  • C
    It is affected by extreme scores.
  • D
    The sum of the deviations about the mean is 0.
4
The ______________ is that value obtained by summing all elements in a set and dividing by the number of elements.
  • A
    Maxima
  • B
    Median
  • C
    Mode
  • D
    Mean
    Correct
5
According to the text, which of the following represents the highest peak of the distribution?
  • A
    Median
  • B
    Mean
  • C
    Maxima
  • D
    Mode
    Correct
6
A measure of central tendency, given as the value above which half of the values fall and below which half of the values fall is called the ______________.
  • A
    Median
    Correct
  • B
    Maxima
  • C
    Mode
  • D
    Mean
7
The ______________ of a sample is the middle value when the data are arranged in ascending or descending rank order.
  • A
    Mode
  • B
    Mean
  • C
    Range
  • D
    Median
    Correct
8
If the distribution is asymmetric and the variable is measured on a nominal scale, the ______________ should be used as a measure of location.
  • A
    Mode
    Correct
  • B
    Mean
  • C
    Median
  • D
    Maxima
9
The ______________ should be used as a measure of location if the distribution is asymmetric and the variable is measured on an ordinal scale.
  • A
    Mode
  • B
    Median
    Correct
  • C
    Maxima
  • D
    Mean
10
If the distribution is asymmetric, which measure of location is most appropriate if the data is in a nominal scale? If it is in an ordinal scale? If it is in an interval or ratio scale?
  • A
    Median, mean, mode
  • B
    Median, median, median
  • C
    Mode, mode, median
  • D
    Mode, median, mean
    Correct
11
What is the median of the following set of scores? 19, 5, 12, 10, 14?
  • A
    10
  • B
    14
  • C
    12.0
    Correct
  • D
    19
12
Approximately what percentage of scores falls within one standard deviation of the mean in a normal distribution?
  • A
    0.99
  • B
    0.34
  • C
    0.68
    Correct
  • D
    0.95
13
Suppose a researcher is concerned with a nominal scale that identifies users versus nonusers of bank credit cards. The measure of central tendency appropriate to this scale is the
  • A
    Median
  • B
    Mean
  • C
    Mode
    Correct
  • D
    average
14
What is the mean of this set of numbers: 4, 6, 7, 9, and 2000000?
  • A
    7
  • B
    400005.2
    Correct
  • C
    4
  • D
    7.5
15
The mean of 11 numbers is 7. One of the numbers, 13, is deleted. What is the mean of the remaining 10 numbers?
  • A
    6.4
    Correct
  • B
    5.8
  • C
    6
  • D
    7.7