Quartiles for Ungrouped Data

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Medium quiz on ungrouped data quartiles

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Nayume Ku

Philippines

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Quartiles for Ungrouped Data


Froggy Jumps Quartiles for Ungrouped DataOnline version Medium quiz on ungrouped data quartiles by Nayume Ku 1 What is Q2 in a data set? a Mode b Mean c Median 2 For ungrouped data, which method locates Q1? a Use the median of lower half only b Use the rank (n+1)/4 and interpolate if needed c Q1 is the minimum value 3 If n = 8, what is the Q2 position (n+1)/2? a 4.5 b 5 c 4 4 Which data set yields Q3 as the 75th percentile conceptually? a The mean of all values b The minimum value c The value below which 75% of data fall 5 Data: 2,5,7,9,12,14,18,21. What is Q1 (rank method)? a Exactly 5 b Between 9 and 12 c Between 2 and 5, closer to 2 6 Which statement is true for quartiles of ungrouped data? a Q1, Q2, Q3 divide data into four equal parts b There are no Qs in ungrouped data c They always equal the mean 7 If data sorted are 3,6,8,12,15, Q2 is? a The average of 8 and 12 = 10 b 8 c 12 8 How many data points are used to define Q1 in a data set of 12? a The 4th value only b The 2nd value only c The value at position (12+1)/4 = 3.25 (interpolated) 9 For ungrouped data, Q3 is the value below which what percent falls? a 50% b 75% c 25% 10 Data: 1,2,2,3,5,7,8,13,21. What is Q1 (approx)? a 3 b Between 1 and 2 (approx 1.5) c 2 11 From the values 3, 7, 6, 8, 9, 2, 5. Find Q1 a 2 b 3 c 5 12 From the values 3, 7, 6, 8, 9, 2, 5. Find Q2 a 5 b 6 c 7 13 From the values 3, 7, 6, 8, 9, 2, 5. Find Q3 a 7 b 8 c 9 14 From the values 1, 5, 10, 8, 9, 11, 12. What quartile is 5? a Q1 b Q2 c Q3 15 From the values 1, 5, 10, 8, 9, 11, 12. What quartile is 11? a Q1 b Q2 c Q3 16 Calculate Q1 from the data: 4, 6, 5, 9, 8, 10, 3 a 4 b 6 c 9 17 Calculate Q2 from the data: 4, 6, 5, 9, 8, 10, 3 a 4 b 6 c 9 18 Calculate Q3 from the data: 4, 6, 5, 9, 8, 10, 3 a 8 b 9 c 10 19 From the data 5, 7, 4, 4, 6, 2, 8. Find Q2 a 5 b 6 c 7 20 From the data 5, 7, 4, 4, 6, 2, 8. Find Q3 a 6 b 7 c 8 21 Which of the following is the other name of the second quartile? a Lower Quartile b Median c Upper Quartile 22 Score points which divide the distribution into 4 equal parts. a Quartlie b Decile c Percentile 23 What is the difference between the upper quartile and the lower quartile? a Interchange b Interquantile Range c Range 24 The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the second quartile? a 9 b 11 c 14 25 The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the first quartile? a 6 b 8 c 11 26 The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the third quartile? a 8 b 11 c 14 27 The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the first quartile using Mendenhall and Sincich Method? a 6 b 8 c 9 28 The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the upper quartile using Mendenhall and Sincich Method? a 10 b 12 c 14 29 The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the upper quartile using Linear Interpolation? a 12.25 b 12.50 c 14 30 The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the lower quartile using Linear Interpolation? a 4 b 6 c 8

Quartiles for Ungrouped Data

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Quartiles for Ungrouped DataOnline version

by Nayume Ku

What is Q2 in a data set?

For ungrouped data, which method locates Q1?

If n = 8, what is the Q2 position (n+1)/2?

Which data set yields Q3 as the 75th percentile conceptually?

Data: 2,5,7,9,12,14,18,21. What is Q1 (rank method)?

Which statement is true for quartiles of ungrouped data?

If data sorted are 3,6,8,12,15, Q2 is?

How many data points are used to define Q1 in a data set of 12?

For ungrouped data, Q3 is the value below which what percent falls?

Data: 1,2,2,3,5,7,8,13,21. What is Q1 (approx)?

From the values 3, 7, 6, 8, 9, 2, 5. Find Q1

From the values 3, 7, 6, 8, 9, 2, 5. Find Q2

From the values 3, 7, 6, 8, 9, 2, 5. Find Q3

From the values 1, 5, 10, 8, 9, 11, 12. What quartile is 5?

From the values 1, 5, 10, 8, 9, 11, 12. What quartile is 11?

Calculate Q1 from the data: 4, 6, 5, 9, 8, 10, 3

Calculate Q2 from the data: 4, 6, 5, 9, 8, 10, 3

Calculate Q3 from the data: 4, 6, 5, 9, 8, 10, 3

From the data 5, 7, 4, 4, 6, 2, 8. Find Q2

From the data 5, 7, 4, 4, 6, 2, 8. Find Q3

Which of the following is the other name of the second quartile?

Score points which divide the distribution into 4 equal parts.

What is the difference between the upper quartile and the lower quartile?

The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the second quartile?

The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the first quartile?

The owner of a Bulaluhan in Tagaytay City recorded the number of customers who came each hour in a day. The results were 4, 6, 11, 8, 18, 14, 9, 5, 13, 20 and 12. What is the third quartile?

The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the first quartile using Mendenhall and Sincich Method?

The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the upper quartile using Mendenhall and Sincich Method?

The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the upper quartile using Linear Interpolation?

The following are the scores of Grade 10 students of group number 1 in their Mathematics Performance Task which are 4, 6, 18, 10, 11, 8, 9, 6, 14 and 12. What is the lower quartile using Linear Interpolation?