WorksheetsMeasures of Central Tendency Vocab
Total questions: 25
Worksheet time: 6hrs 15mins
(a) is a chracteristic or measure obtained by using data values from a sample?
A _________ is a characteristic or measure obtained by using all the data values from a specific population.
statistic
parameter
data
Frequency
The sum of all values is indicated by what Greek letter?
Χ
Σ
Xm
μ
nΣX represents which of the following?
Sample mean
Population mean
Grouped Data mean
μ
When dealing with measures of central tendency - μ - symbol represents what?
Sample
Population
Sample Mean
Population Mean
Grouped Data Mean
Xm represents which of the following?
Sample Mean
Population Mean
The summation of the values
Frequency
Midpoint
nΣf⋅Xm This formula is used to calculate which of the following?
Sample Mean
Population Mean
Grouped Data Mean
Midrange
NΣX is used to calculate what measure of central tendency?
(a)
What is the symbol or abbreviation for median?
(a)
What is the symbol or abbreviation for midrange?
(a)
The measure of central tendency which is the value that appears the most often in the data set is called what?
(a)
If the data set has only one value that occurs with the greatest frequency it is said to be:
modal
unimodal
bimodal
multimodal
no mode
if the data set has more than two values that occur with the same greatest frequency, each value is used as the mode, and the data set is said to be _______ ?
modal
modal class
bimodal
multimodal
unimodal
Find both the modal class and then the mode for the data given?
36.0-38.9
37.45
36.0-38.9 and 37.45
42.0-44.9 and 43.45
What is the n value for the grouped data set in the picture?
44.9
14
2
30
What is the mean for the grouped data provided in the chart?
6.1
36
40
30
If you are given ΣX = 132.4 and n = 7, which of the following is the properly rounded sample mean?
18.9
18.91
19
19.0
Which of the following is defined as the sum of the lowest and highest values in the data set, divided by two.
Midpoint
Midrange
Mode
Median
Mean
Which of the following is found by arranging the data from smallest to largest and then finding the middle point or middle number of the data?
Midpoint
Midrange
Mode
Median
Mean
Which of the following is used to calculate a mean when not all values are of equal value?
Sample Mean
Population Mean
Grouped Data Mean
Weighted Mean
Which of the following is NOT affected by extremely high or low values?
Mean
Median
Midrange
What are extremely low or extremely high values in a data set called?
unfortunate
outcasts
outliers
random
When the majority of the data values fall to the left of the mean and are clustered at the lower end of the distribution, it is said to be __________________ skewed.
right or positively
left or negatively
normal or symmetricly
not skewed
The graph in the picture would be considered which type of distribution?
Positively or Right Skewed
Negatively or Left Skewed
Normal or Symmetric
None of the abve
ΣwΣwX This formula is used to find which of the following?
Sample Mean
Population Mean
Grouped Mean
Weighted Mean
