Find the standard deviation for the following data set. 2, 2, 2, 5, 5, 6, 6, 8, 8, 9 O A. 5 О В. 2.49 О с. 2 O D. 6.21

Consider the following 18,5,19,30,28. Compute the population standard deviation of the numbers. (Round your answer to one decimal place)

We are going to calculate the standard deviation for the following set of sample data. 13,9,11,13,5 1) First, calculate the mean. 2) Fill in the table below. Fill in the differences of each data value from the mean, then the squared differences. 3) Calculate the standard deviation. (x – a)² 13 9 11 13 Total Standard deviation: - Round to two decimal places S = п — 1

The ages (in years) of the 5 employees at a particular computer store are the following. 39, 37, 22, 24, 38 Send data to calculator     Assuming that these ages constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places.

Answer numbers 3 to 5 only

End O L ) 0 Alt PgUP 11 P PgDn Ins Del Packspace afte 2=(2>60) (2480) 5. A The ages of the thousands of residents of a retirement community are normally distributed with a mean of 70 and a standard deviation of 4 years. a. What proportion of this population is between 60 and 80? 2=60-70 -2.5 = 6.21 4 2-80-76 4 2= = 2.5=6.21 1.5 2= 68.5-45 - 5.87 니 71.5-45 4 b. If one sample of 45 residents is chosen at random, what is the probability that the sample mean age will be between 68.5 and 71.75? Stru ماما - 1-,99379 6. = 6.21% +6.21= -4 12,24% is between 60-80 years old 2.5 c. Between which two symmetric limits are 95% of all the possible values of the sample means? 4 FIST Standar 4. PCX a) x-

A data set consists of the 11 data points shown below, plus one additional data point. When the additional point is included in the data set, the sample standard deviation of the 12 points is computed to be 15.225. If it is known that the additional data point is 25 or less, find the value of the twelfth data point. 48, 42, 12, 56, 33, 23, 24, 21, 37, 21, 27 Value of the additional data point =

calculate the standard deviation of the following four observations: 13,14,16,18

Calculate  the range, variance , and stanard deviation for the following a.4,2,1,0,1  b.1,6,2,2,3,0,3 c.8,-2,1,3,5,4,4,1,3 d.0,2,0,0,-1,1,-2,1,0,-1,0,-3,-2,-1,0,1

Given the data points, 8.12 8.08.8.05-8.16 8.11.8.17,8.14, calculate the Standard Error in the Mean. Select one: O a. 0.00196 Оь. 0.01289 O c. 0.04298 O d. 0.01625 Oa.