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3:22 Tue, 20 Aug b ← bartleby 2 Arial 11 B I U A E +16% + Q +Share 20 A Are you a Lark or an Owl? Studies indicate that about 10% of us are morning people (Larks) while 20% are evening people (Owls) and the rest of us are neither. In this question, we are going to analyse these preferences among university students who participated in a research study1 into the relationship between sleep habits and academic performance. Students were given questionnaires and kept a sleep diary. One of the questions was 'Are you an early riser or a night owl?' and one of the diary items was the time a student went to bed. Comment on the shape of the distribution of bedtimes of Larks and Owls. In particular, briefly describe each of the following characteristics: •The shape of each distribution (peaks, symmetry, skewness); • Whether there appear to be any outliers; • The appropriate measures of central tendency and dispersion. For full marks in this question, ensure that you justify your choice of measures to describe central tendency and dispersion, interpret these values in context and use them to compare Larks to Owls to draw some overall conclusions. Variable N N* Mean SE Mean StDev Minimum Bedtime Lark 41 0 24.248 Bedtime Owl 49 0 25.472 Q1 Median 0.168 1.078 0.153 1.069 21.800 23.550 24.100 25.050 Q3 Maximum 26.800 23.100 24.775 25.350 26.000 29.100 Statistics 0 20 0 b = III 0 ✓ 3:25 Tue, 20 Aug 0b. K bartleby All changes saved 5 2 Arial 11 Number of Students Bedtime Owl 10 BIU A Histogram of Bedtime for Owl 23 24 25 26 Bedtime for Owl Boxplot of student's bedtime 22 23 Time for students go to bed Number of Students • " = !!! Histogram of Bedtime for Lark 27 22 23 24 25 26 27 Bedtime for Lark 0 0 29 20 b III = + Q 20 A O 15% + Share ^

3:22 Tue, 20 Aug b ← bartleby 2 Arial 11 B I U A E +16% + Q +Share 20 A Are you a Lark or an Owl? Studies indicate that about 10% of us are morning people (Larks) while 20% are evening people (Owls) and the rest of us are neither. In this question, we are going to analyse these preferences among university students who participated in a research study1 into the relationship between sleep habits and academic performance. Students were given questionnaires and kept a sleep diary. One of the questions was 'Are you an early riser or a night owl?' and one of the diary items was the time a student went to bed. Comment on the shape of the distribution of bedtimes of Larks and Owls. In particular, briefly describe each of the following characteristics: •The shape of each distribution (peaks, symmetry, skewness); • Whether there appear to be any outliers; • The appropriate measures of central tendency and dispersion. For full marks in this question, ensure that you justify your choice of measures to describe central tendency and dispersion, interpret these values in context and use them to compare Larks to Owls to draw some overall conclusions. Variable N N* Mean SE Mean StDev Minimum Bedtime Lark 41 0 24.248 Bedtime Owl 49 0 25.472 Q1 Median 0.168 1.078 0.153 1.069 21.800 23.550 24.100 25.050 Q3 Maximum 26.800 23.100 24.775 25.350 26.000 29.100 Statistics 0 20 0 b = III 0 ✓ 3:25 Tue, 20 Aug 0b. K bartleby All changes saved 5 2 Arial 11 Number of Students Bedtime Owl 10 BIU A Histogram of Bedtime for Owl 23 24 25 26 Bedtime for Owl Boxplot of student's bedtime 22 23 Time for students go to bed Number of Students • " = !!! Histogram of Bedtime for Lark 27 22 23 24 25 26 27 Bedtime for Lark 0 0 29 20 b III = + Q 20 A O 15% + Share ^

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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3:22 Tue, 20 Aug b ← bartleby 2 Arial 11 B I U A E +16% + Q +Share 20 A Are you a Lark or an Owl? Studies indicate that about 10% of us are morning people (Larks) while 20% are evening people (Owls) and the rest of us are neither. In this question, we are going to analyse these preferences among university students who participated in a research study1 into the relationship between sleep habits and academic performance. Students were given questionnaires and kept a sleep diary. One of the questions was 'Are you an early riser or a night owl?' and one of the diary items was the time a student went to bed. Comment on the shape of the distribution of bedtimes of Larks and Owls. In particular, briefly describe each of the following characteristics: •The shape of each distribution (peaks, symmetry, skewness); • Whether there appear to be any outliers; • The appropriate measures of central tendency and dispersion. For full marks in this question, ensure that you justify your choice of measures to describe central tendency and dispersion, interpret these values in context and use them to compare Larks to Owls to draw some overall conclusions. Variable N N* Mean SE Mean StDev Minimum Bedtime Lark 41 0 24.248 Bedtime Owl 49 0 25.472 Q1 Median 0.168 1.078 0.153 1.069 21.800 23.550 24.100 25.050 Q3 Maximum 26.800 23.100 24.775 25.350 26.000 29.100 Statistics 0 20 0 b = III 0 ✓
Transcribed Image Text:3:22 Tue, 20 Aug b ← bartleby 2 Arial 11 B I U A E +16% + Q +Share 20 A Are you a Lark or an Owl? Studies indicate that about 10% of us are morning people (Larks) while 20% are evening people (Owls) and the rest of us are neither. In this question, we are going to analyse these preferences among university students who participated in a research study1 into the relationship between sleep habits and academic performance. Students were given questionnaires and kept a sleep diary. One of the questions was 'Are you an early riser or a night owl?' and one of the diary items was the time a student went to bed. Comment on the shape of the distribution of bedtimes of Larks and Owls. In particular, briefly describe each of the following characteristics: •The shape of each distribution (peaks, symmetry, skewness); • Whether there appear to be any outliers; • The appropriate measures of central tendency and dispersion. For full marks in this question, ensure that you justify your choice of measures to describe central tendency and dispersion, interpret these values in context and use them to compare Larks to Owls to draw some overall conclusions. Variable N N* Mean SE Mean StDev Minimum Bedtime Lark 41 0 24.248 Bedtime Owl 49 0 25.472 Q1 Median 0.168 1.078 0.153 1.069 21.800 23.550 24.100 25.050 Q3 Maximum 26.800 23.100 24.775 25.350 26.000 29.100 Statistics 0 20 0 b = III 0 ✓
3:25 Tue, 20 Aug 0b. K bartleby All changes saved 5 2 Arial 11 Number of Students Bedtime Owl 10 BIU A Histogram of Bedtime for Owl 23 24 25 26 Bedtime for Owl Boxplot of student's bedtime 22 23 Time for students go to bed Number of Students • " = !!! Histogram of Bedtime for Lark 27 22 23 24 25 26 27 Bedtime for Lark 0 0 29 20 b III = + Q 20 A O 15% + Share ^
Transcribed Image Text:3:25 Tue, 20 Aug 0b. K bartleby All changes saved 5 2 Arial 11 Number of Students Bedtime Owl 10 BIU A Histogram of Bedtime for Owl 23 24 25 26 Bedtime for Owl Boxplot of student's bedtime 22 23 Time for students go to bed Number of Students • " = !!! Histogram of Bedtime for Lark 27 22 23 24 25 26 27 Bedtime for Lark 0 0 29 20 b III = + Q 20 A O 15% + Share ^
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