Complete the chart to find the mean, variance, and standard deviation. Remember to use commas and round numbers to the nearest tenth.

B-R

x

1.45

2.340

x-X

=-357.5

The mean is

2.340

=-62.5

The variance is

3.400

= -2.5

278.5

The standard de 402.5

4.825

77.5563

= 422.5

2X=

x=

(x - x)2 = 310,225.2

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet