Standardization of the NaOH solution Volume of NaOH added 18.2 Trial 1 Trial 2 Trial 3 17.8 18.1 6.37x10^-4 1.26x10^-3 1.95x10^-3 Molarity of the NaOH Average Molarity of NaOH 1.28x10^-3 Standard deviation

Assuming that an experiment's results are 10.1, 10.4 and 10.6, find the mean, the average deviation from the mean and the standard deviation. You can use Excel to verify your calculation. Use the editor to format your answer

Give the standard deviation of the following numbers: 2.01, 2.10, 2.20, 2.41. Use appropriate significant figures and exclude units from your answer.

1. Determine the average and standard deviation for the following set of numbers.  45.6g, 52.1g, and 53.8g

Calculate the sample standard deviation, s, for this set of data: 5.2, 7.8, 8.6, 9.6, 2.0, 8.7 Report your answer to the fourth decimal place.

For the data set, calculate the mean, standard deviation, and variance. mean: \table[[Sample, Value ],[1,4.028], [2,4.011], [3, 4.013], [4, 4.029], [5, 4.017], [6, 4.012]] standard deviation: variance: Ⓒ Macmillan Learning mean: For the data set, calculate the mean, standard deviation, and variance. standard deviation: 3 variance: C Sample 1 2 3 4 5 6 Value 4.028 4.011 4.013 4.029 4.017 4.012

Suppose a student completes an experiment with an average value of 2.9 mL and a calculated standard deviation of 0.66 mL. What is the maximum value within a 1 SD range of the average?

Table 1. Mass of measured liquids. Weight (Mass) Accuracy Precision Standard Deviation Average Volume XXXXX XXXXX 50 ul 0.069 XXXXX XXXXX 50 ul 50 ul O.069 XXXXX XXXXX 150 ul 291-0 0.16 aXXXXX XXXXX 150 ul 150 ul 0.140 XXXXXX XXXXXX 300 ul XXXXXX XXXXXX 300 ul 0.503 300 ul XXXXXX XXXXXX 800 ul .01 I XXXXXX 800 Hl 0.969XXXXXX 800 Hl

The density of an irregular shaped object was measured three times with the following results: 2.15 g/cm3 2.79 g/cm3 1.98 g/cm3 How would you report the mean and standard deviation of this data?   a. 2.31 g/cm3 ± 0.07 g/cm3   b. 2.307 g/cm3 ± 0.1 g/cm3   c. 2.4 g/cm3 ± 0.5 g/cm3   d. 2.15 g/cm3 ± 0.03 g/cm3   e. 2.3 g/cm3 ± 0.4 g/cm3

Suppose that a Gaussian population of measurements has a mean of 1000 and a standard deviation of 50. What fraction of the population lies in the following intervals: a) >1000 b) 950-1050 c) 850-1150 Thank you for the help!