Mathematics

Grade10

Easy

Question

Answer the following with the help of data
10,12,15,13,18,16
What is the formula for a standard deviation for a sample?

$s^{2} = \frac{\sum (x - \bar{x})^{2}}{n - 1}$
$s = \frac{\sum (x - \bar{x})^{2}}{n - 1}$
$S = \sqrt{\frac{\sum (x - \bar{x})^{2}}{1}}$
None of the above

The correct answer is: $s squared equals fraction numerator sum left parenthesis x minus x with bar on top right parenthesis squared over denominator n minus 1 end fraction$

Sample standard deviation=
$space space space s equals square root of fraction numerator stack sum open parentheses x subscript i minus begin display style x with minus on top end style close parentheses squared with i equals 1 below and n on top over denominator n minus 1 end fraction end root rightwards double arrow s squared equals fraction numerator stack sum open parentheses x subscript i minus begin display style x with minus on top end style close parentheses squared with i equals 1 below and n on top over denominator n minus 1 end fraction$

Answer the following with the help of data
10,12,15,13,18,16
What is the mean of the given data?

MathematicsGrade10

Grade10

Mathematics

When data are normally distributed, the most useful measure of spread is the……………….deviation

MathematicsGrade10

Grade10

Mathematics

The data forms a bell-shaped curve is said to …………………. distribution

MathematicsGrade10

Grade10

Mathematics

The mean of 12, 14, 18, 20 and x is equal to 14. Solve for x.

MathematicsGrade10

Grade10

Mathematics

If the average of four consecutive odd integer is 32, what is the value of the least of four integers?

MathematicsGrade10

Grade10

Mathematics

The mean of x, y, and z is 9. If x + y = 16, then z equals to

MathematicsGrade10

Grade10

Mathematics

Answer the questions according to the statements.
There are three companies A, B, and C. Here are the mean and median salaries of the employees.
A – mean = $ 25,000, Median = $26,000
B – mean = $ 30,000, median = $27,000
C – Mean = $ 29000, Median = $32000
Which of the companies gets a right skewed data?

MathematicsGrade10

Grade10

Mathematics

Answer the questions according to the statements.
There are three companies A, B, and C. Here are the mean and median salaries of the employees.
A – mean = $ 25,000, Median = $26,000
B – mean = $ 30,000, median = $27,000
C – Mean = $ 29000, Median = $32000
Which of the companies gets a symmetric data display?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the shape of the data set?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the median of the data set?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the mean of the data set?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the shape of the histogram of the data set?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the median of the given data?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the mean of the data?

MathematicsGrade10

Grade10

Mathematics

Answer the following with the help of the dot plots.

The data for the survey for………….. is more symmetrical than the data for the survey for………….

$a space s y m m e t r i c a l space d a t a space d i s t r i b u t i o n space w i l l space h a p p e n space comma space i f space w e space d i v i d e space t h e space d o t space p l o t comma space i n t o space t w o comma e a c h space h a l f space w i l l space a l m o s t space b e space t h e space m i r r o r space i m a g e space o f space e a c h space o t h e r$

Answer the following with the help of the dot plots.

The data for the survey for………….. is more symmetrical than the data for the survey for………….

MathematicsGrade10

Have a query? Ask a Tutor!!

Can’t find what you’re looking for?

Answer the following with the help of data10,12,15,13,18,16What is the formula for a standard deviation for a sample?

None of the above

The correct answer is:

Sample standard deviation=

Related Questions to study

Answer the following with the help of data10,12,15,13,18,16What is the mean of the given data?

Answer the following with the help of data10,12,15,13,18,16What is the mean of the given data?

When data are normally distributed, the most useful measure of spread is the……………….deviation

When data are normally distributed, the most useful measure of spread is the……………….deviation

The data forms a bell-shaped curve is said to …………………. distribution

The data forms a bell-shaped curve is said to …………………. distribution

The mean of 12, 14, 18, 20 and x is equal to 14. Solve for x.

The mean of 12, 14, 18, 20 and x is equal to 14. Solve for x.

If the average of four consecutive odd integer is 32, what is the value of the least of four integers?

If the average of four consecutive odd integer is 32, what is the value of the least of four integers?

The mean of x, y, and z is 9. If x + y = 16, then z equals to

The mean of x, y, and z is 9. If x + y = 16, then z equals to

Answer the following with the help of the data.4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10What is the shape of the data set?

Answer the following with the help of the data.4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10What is the shape of the data set?

Answer the following with the help of the data.4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10What is the median of the data set?

Answer the following with the help of the data.4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10What is the median of the data set?

Answer the following with the help of the data.4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10What is the mean of the data set?

Answer the following with the help of the data.4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10What is the mean of the data set?

Answer the following with the help of data (18 to 20).5, 15, 20, 10, 25, 35, 30, 40, 55, 60What is the shape of the histogram of the data set?

Answer the following with the help of data (18 to 20).5, 15, 20, 10, 25, 35, 30, 40, 55, 60What is the shape of the histogram of the data set?

Answer the following with the help of data (18 to 20).5, 15, 20, 10, 25, 35, 30, 40, 55, 60What is the median of the given data?

Answer the following with the help of data (18 to 20).5, 15, 20, 10, 25, 35, 30, 40, 55, 60What is the median of the given data?

Answer the following with the help of data (18 to 20).5, 15, 20, 10, 25, 35, 30, 40, 55, 60What is the mean of the data?

Answer the following with the help of data (18 to 20).5, 15, 20, 10, 25, 35, 30, 40, 55, 60What is the mean of the data?

Answer the following with the help of the dot plots.The data for the survey for………….. is more symmetrical than the data for the survey for………….

Answer the following with the help of the dot plots.The data for the survey for………….. is more symmetrical than the data for the survey for………….

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Answer the following with the help of data
10,12,15,13,18,16
What is the formula for a standard deviation for a sample?

$s^{2} = \frac{\sum (x - \bar{x})^{2}}{n - 1}$
$s = \frac{\sum (x - \bar{x})^{2}}{n - 1}$
$S = \sqrt{\frac{\sum (x - \bar{x})^{2}}{1}}$
None of the above

The correct answer is: $s squared equals fraction numerator sum left parenthesis x minus x with bar on top right parenthesis squared over denominator n minus 1 end fraction$

Answer the following with the help of data
10,12,15,13,18,16
What is the mean of the given data?

Answer the following with the help of data
10,12,15,13,18,16
What is the mean of the given data?

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the shape of the data set?

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the shape of the data set?

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the median of the data set?

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the median of the data set?

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the mean of the data set?

Answer the following with the help of the data.
4,5,6,6,6,7,7,7,7,7,7,8,8,8,9,10
What is the mean of the data set?

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the shape of the histogram of the data set?

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the shape of the histogram of the data set?

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the median of the given data?

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the median of the given data?

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the mean of the data?

Answer the following with the help of data (18 to 20).
5, 15, 20, 10, 25, 35, 30, 40, 55, 60
What is the mean of the data?

Answer the following with the help of the dot plots.

The data for the survey for………….. is more symmetrical than the data for the survey for………….

Answer the following with the help of the dot plots.

The data for the survey for………….. is more symmetrical than the data for the survey for………….