Consider the data set. 2, 5, 6, 7, 9 (a) find the range. 7 correct: your answer is correct. (b) use the defining formula to compute the sample standard deviation s. (round your answer to two decimal places.) 2.7 incorrect: your answer is incorrect. (c) use the defining formula to compute the population standard deviation σ. (round your answer to two decimal places.) -6.23 incorrect: your answer is incorrect.

A) 7

B) 2.588

C) 2.3151

Step-by-step explanation:

We are given the following data set:

2, 5, 6, 7, 9

Formula:

Mean =

a) Range

= Highest value - Lowest Value = 9 - 2 = 7

b) Sample standard deviation

where are data points, is the mean and n is the number of observations.

Sum of squares = 14.44 + 0.64 + 0.04 + 1.44 + 10.24 = 26.8

c) Population standard deviation

where are data points, is the mean and n is the number of observations.

Sum of squares = 14.44 + 0.64 + 0.04 + 1.44 + 10.24 = 26.8

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length