MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.)

Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The range of a data set is the difference between the largest and smallest data values in the set. RANGE = Maximum - Minimum

Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises RANGE = 14 – 3 = 11 The range of a data set is the difference between the largest and smallest data values in the set. RANGE = Maximum - Minimum

Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises To find the mean and standard deviation, put values into the calculator. The range of a data set is the difference between the largest and smallest data values in the set. RANGE = Maximum - Minimum RANGE = 14 – 3 = 11

Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Here are the KEYSTROKES for entering the data To find the mean and standard deviation, put values into the calculator. The range of a data set is the difference between the largest and smallest data values in the set. RANGE = Maximum - Minimum RANGE = 14 – 3 = 11

Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Here are the KEYSTROKES for entering the data To find the mean and standard deviation, put values into the calculator. The range of a data set is the difference between the largest and smallest data values in the set. RANGE = Maximum - Minimum

RANGE = 14 – 3 = 11 Determine the range, mean and standard deviation. { 13, 14, 13, 5, 5, 12, 9, 3 } (Round the mean to 3 decimal places as needed and round the standard deviation to 2 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Here are the KEYSTROKES for entering the data To find the mean and standard deviation, put values into the calculator. The range of a data set is the difference between the largest and smallest data values in the set. RANGE = Maximum - Minimum

The table shows the scores of 20 people who took a paramedics licensing test. Find the mean and standard deviation for these data. (Round to 3 decimal places as needed.) MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises ScoreFrequency

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Here are the KEYSTROKES for entering the data To find the mean and standard deviation, put values into the calculator. The table shows the scores of 20 people who took a paramedics licensing test. Find the mean and standard deviation for these data. (Round to 3 decimal places as needed.) ScoreFrequency

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Here are the KEYSTROKES for entering the data The table shows the scores of 20 people who took a paramedics licensing test. Find the mean and standard deviation for these data. (Round to 3 decimal places as needed.) ScoreFrequency To find the mean and standard deviation, put values into the calculator.

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises Here are the KEYSTROKES for entering the data The table shows the scores of 20 people who took a paramedics licensing test. Find the mean and standard deviation for these data. (Round to 3 decimal places as needed.) ScoreFrequency To find the mean and standard deviation, put values into the calculator.

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator.

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data Find how far Family B’s income (46) is from the mean (49): To determine the number of standard deviations 10.2 represents, just divide 10.2 by the standard deviation (5.98).

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data Find how far Family B’s income (46) is from the mean (49):

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data Find how far Family B’s income (46) is from the mean (49): To express this in standard deviations, divide 3 by the standard deviation (1.773)

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data Find how far Family B’s income (46) is from the mean (49): To express this in standard deviations, divide 3 by the standard deviation (1.773)

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data Find how far Family B’s income (46) is from the mean (49): To express this in standard deviations, divide 3 by the standard deviation (1.773)

MATH 110 Sec 14-3 Lecture: Statistics-Measures of Variation/Dispersion Practice Exercises The table gives the annual income for 8 families, in thousands of dollars. How many standard deviations is family B’s income from the mean? (Round to 3 decimal places as needed.) FamilyIncome A50 B46 C50 D49 E48 F49 G52 H48 To find the mean and standard deviation, put values into the calculator. Here are the KEYSTROKES for entering the data Find how far Family B’s income (46) is from the mean (49): To express this in standard deviations, divide 3 by the standard deviation (1.773) B’s income is standard deviations from the mean.