Question

Consider the data set. 2, 3, 4, 6, 9

(a) Find the range.

b) Use the defining formula to compute the sample standard deviation s. (Round your answer to two decimal places.)

(c) Use the defining formula to compute the population standard deviation σ. (Round your answer to two decimal places.)

Answer #1

Consider the data set.
2, 4, 6, 7, 8
(a) Find the range. (Enter an exact number.)
(b) Use the defining formula to compute the sample standard
deviation s. (Enter a number. Round your answer to two
decimal places.)
(c) Use the defining formula to compute the
population standard deviation σ. (Enter a number. Round
your answer to two decimal places.)

Consider the data set.
2,3,4,6,9
(a)
Find the range. (Enter an exact number.)
(b)
Use the defining formula to compute the sample standard
deviation s. (Enter a number. Round your answer to two
decimal places.)

Given the sample data.
x:
23
17
15
30
27
(a) Find the range.
(b) Verify that Σx = 112 and Σx2 =
2,672.
Σx
=
Σx2
=
(c) Use the results of part (b) and appropriate computation
formulas to compute the sample variance s2 and
sample standard deviation s. (Round your answers to two
decimal places.)
s2
=
s
=
(d) Use the defining formulas to compute the sample variance
s2 and sample standard deviation s.
(Round your answers...

Given the sample data. x: 21 17 15 32 25
(a) Find the range.
(b) Verify that Σx = 110 and Σx2 = 2,604. Σx = Σx2 = (
c) Use the results of part (b) and appropriate computation
formulas to compute the sample variance s2 and sample standard
deviation s. (Round your answers to two decimal places.)
s2 =
s =
(d) Use the defining formulas to compute the sample variance s2
and sample standard deviation s. (Round your...

Given the sample data.
x:
21,
19,
13,
32,
27
(a)
Find the range. (Enter an exact number.)
(b)
Verify that Σx = 112 and Σx2 =
2,724. (For each answer, enter an exact number.)
Σx =
Σx2 =
(c)
Use the results of part (b) and appropriate computation formulas
to compute the sample variance s2 and sample
standard deviation s. (For each answer, enter a number.
Round your answers to two decimal places.)
s2 =
s =
(d)
Use...

Given the sample data.
x: 21 19 13 30 25
(a) find the range
(b) verify that Ex=108 and Ex^2=2496
(c) use the results of part (b) and appropriate computation
formulas to compute the sample variances s^2 and sample standard
deviation s (round your answer to two decimal places.)
(d) use the defining formulas to compute the sample variance s^2
and sample standard deviation s. (round your answers to two decimal
places)
(e) suppose the given data comprises the entire...

x: 23, 17, 15, 30, 27
(a) Find the range. (Enter an exact number.)
(b) Verify that Σx = 112 and Σx2 = 2,672. (For each answer,
enter an exact number.) Σx = Σx2 =
(c) Use the results of part (b) and appropriate computation
formulas to compute the sample variance s2 and sample standard
deviation s. (For each answer, enter a number. Round your answers
to two decimal places.) s2 = s =
(d) Use the defining formulas to...

A data set contains the following seven values. 13 4 6 18 2 5
9
(Round the intermediate values to 4 decimal places.)
a. Find the range.
b. Find the mean absolute deviation. (Round your answer to 4
decimal places.)
c. Find the population variance. (Round your answer to 4 decimal
places.)
d. Find the population standard deviation. (Round your answer to
4 decimal places.)
e. Find the interquartile range.
f. Find the z score for each value. (Round your...

Given the sample data.x:
21,
19,
13,
30,
27
(a)
Find the range. (Enter an exact number.)
(b)
Verify that Σx = 110 and Σx2 =
2,600. (For each answer, enter an exact number.)
Σx =
Σx2 =
(c)
Use the results of part (b) and appropriate computation formulas
to compute the sample variance s2 and sample
standard deviation s. (For each answer, enter a number.
Round your answers to two decimal places.)
s2 =
s =
(d)
Use the...

Given the sample data. x: 18 15 26 30 14 (a) Find the range. (b)
Verify that Σx = 103 and Σx2 = 2321. Σx Σx2 (c) Use the results of
part (b) and appropriate computation formulas to compute the sample
variance s2 and sample standard deviation s. (Enter your answers to
one decimal place.) s2 s (d) Use the defining formulas to compute
the sample variance s2 and sample standard deviation s. (Enter your
answers to one decimal place.)...

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