Question

A social scientist measures the number of minutes (per day) that a small hypothetical population of...

A social scientist measures the number of minutes (per day) that a small hypothetical population of college students spends online.

Student Score Student Score
A 53 F 72
B 28 G 93
C 92 H 88
D 92 I 88
E 82 J 95

(a) What is the range of data in this population?
__________ min

(b) What is the IQR of data in this population?
______ min

(c) What is the SIQR of data in this population?
_____ min

(d) What is the population variance?

(e) What is the population standard deviation? (Round your answer to two decimal places.)
__________ min

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A social scientist measures the number of minutes (per day) that a small hypothetical population of...
A social scientist measures the number of minutes (per day) that a small hypothetical population of college students spends online. Student Score Student Score A 26 F 89 B 93 G 81 C 89 H 58 D 92 I 92 E 71 J 96 (a) What is the range of data in this population? min (b) What is the IQR of data in this population? min (c) What is the SIQR of data in this population? min (d) What is...
A social scientist measures the number of minutes (per day) that a small hypothetical population of...
A social scientist measures the number of minutes (per day) that a small hypothetical population of college students spends online. Student Score Student Score A 31 F 86 B 95 G 55 C 99 H 86 D 92 I 99 E 83 J 74 (a) What is the range of data in this population? Correct: Your answer is correct. min (b) What is the IQR of data in this population? Correct: Your answer is correct. min (c) What is the...
1. The average number of minutes spent per day using social media by a population of...
1. The average number of minutes spent per day using social media by a population of college sophomores is 29.6 minutes. If we take a random sample of size n = 87 from this population and find that the sample standard deviation is 7.3 minutes, we know the sampling distribution of the sample mean in this case would have a standard deviation equal to A. 4.05 minutes. B. 1.60 minutes. C. 0.78 minutes. D. 7.30 minutes. E. 3.17minutes. 2. Return...
The Test Scores for a Statistics course are given in the Excel below. The data (X1,...
The Test Scores for a Statistics course are given in the Excel below. The data (X1, X2, X3, X4) are for each student. X1 = score on exam #1 X2 = score on exam #2 X3 = score on exam #3 X4 = score on final exam Your professor wants to know if all tests are created equal. What is the F-Stat? EXAM1 EXAM2 EXAM3 FINAL 73 80 75 65.86667 93 88 93 80.16667 89 91 90 78 96 98...
Q1 )Find the 1st quartile, 2nd quartile, third quartile and the interquartile range of the following...
Q1 )Find the 1st quartile, 2nd quartile, third quartile and the interquartile range of the following data set 72, 74, 75, 77, 79, 82, 83, 87, 88, 90, 91, 91, 91, 92, 96, 97, 97, 98, 100 The 1st Quartile : The 2nd Quartile : The 3rd Quartile : The IQR : Q2) According to the empirical rule, if a population has a normal distribution, approximately what percentage of values is within one, two and three standard deviation of the...
A statistics student made the following grades on the first 6 tests: 76, 82, 92, 95,...
A statistics student made the following grades on the first 6 tests: 76, 82, 92, 95, 92, 86. The total number of tests for the semester is 7. If the median score for the whole semester was 92, what could not have been the score of the last test? a. 77 b.92 c.93 d. 94 e.96 A commuter travels many miles to work each morning. She has timed this trip 5 times during the last month. The time (in minutes)...
A social researcher employs a ratio-level measure to study prejudice toward Arab Americans in the first...
A social researcher employs a ratio-level measure to study prejudice toward Arab Americans in the first month after 9/11. The data below represents a set of responses to a series of questions about Arab Americans that is scored from 0 to 100 (100 is extreme prejudice). Attitudes of 10 College Students toward Arab Americans: Ratio Data *higher scores indicate greater prejudice against Arab Americans Student Score A 98 B 21 C 95 D 22 E 6 F 96 G 11...
The data are not actual data, but are modeled after data collected by Trautwein and Ammerman...
The data are not actual data, but are modeled after data collected by Trautwein and Ammerman (2013) for a study on the effects of cochlear implants (CI) on the language, speech, and perception skills of 32 deaf children: 16 subjects with at least one cochlear implant (CI) and 16 subjects (with hearing loss) without an implant. (CI subjects were implanted at 13 or 14 months of age. So, no subjects had CIs at the time of the first data collection.)...
The Data A central tenet to being a good instructor, I believe, is to be a...
The Data A central tenet to being a good instructor, I believe, is to be a reflective practitioner of your craft. From time to time I find it to be necessary to review and reflect on my work as an instructor from a grade perspective. On our moodle page you will find a link to a second word document titled “300 Grades”. This data sheet contains both the alphanumeric grade (page 1) and the numerical equivalent (page 2) for every...
John and Mary visited 29 randomly selected Starbucks locations and recorded the number of cappuccinos sold...
John and Mary visited 29 randomly selected Starbucks locations and recorded the number of cappuccinos sold at each coffee shop on April 1st. They summarized the data in the following frequency distribution table: (Variable ,Frequency) (0, 2 ) (1, 5) ( 2, 8) (3, 10) (4, 4) (5, 2) a. For this scenario, identify the following: • Variable • Individual (Subject) • Sample • What percentage of Starbucks locations sold at least 3 cappuccinos? b. Calculate the sample mean. Note:...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT