Quartiles: Grouped & Ungrouped

Froggy Jumps

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Challenge your quartile skills in data sets.

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PAGADUAN CAROLINE J.

Philippines

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Froggy Jumps Quartiles: Grouped & UngroupedVersion en ligne Challenge your quartile skills in data sets. par PAGADUAN CAROLINE J. 1 In ungrouped data with n=12, where does the median (Q2) lie? a At the 6th value b Between the 6th and 7th values c Between the 5th and 6th values 2 For ungrouped data with n=20, Q1 position using (n+1)/4 lies between which ranks? a 6th and 7th values b 4th and 5th values c 5th and 6th values 3 What is the common formula for Q3 in grouped data? a Q3 = L + ((0.75N - cf)/f) × h b Q3 = L + ((N - cf)/f) × h c Q3 = L + (0.75N - cf) × h 4 What is the main difference when computing quartiles for grouped vs ungrouped data? a Grouped ignores cum. frequencies b Grouped uses interpolation within a class c Grouped uses whole numbers only 5 Ungrouped data {2,4,6,8,10}. What is Q2? a 8 b 6 c 4 6 With L=10, N=200, cf=40, f=20, h=5, find Q1 using (0.25N). a 12.5 b 14.0 c 11.0 7 Quartiles split data into how many equal parts? a Four b Two c Three 8 Which method places Q1 at (n+1)/4 for ungrouped data? a Using (n+1)/4 position b Using 0.25n without adjustment c Using n/4 position 9 For grouped data: L=100, N=400, cf=180, f=60, h=4. Compute Q3. a 112 b 104 c 108 10 Q3 is the 75th percentile of the data, true or false? a False b Depends on data type c True

Froggy Jumps

Quartiles: Grouped & UngroupedVersion en ligne

Challenge your quartile skills in data sets.

par PAGADUAN CAROLINE J.

In ungrouped data with n=12, where does the median (Q2) lie?

At the 6th value

Between the 6th and 7th values

Between the 5th and 6th values

For ungrouped data with n=20, Q1 position using (n+1)/4 lies between which ranks?

6th and 7th values

4th and 5th values

5th and 6th values

What is the common formula for Q3 in grouped data?

Q3 = L + ((0.75N - cf)/f) × h

Q3 = L + ((N - cf)/f) × h

Q3 = L + (0.75N - cf) × h

What is the main difference when computing quartiles for grouped vs ungrouped data?

Grouped ignores cum. frequencies

Grouped uses interpolation within a class

Grouped uses whole numbers only

Ungrouped data {2,4,6,8,10}. What is Q2?

With L=10, N=200, cf=40, f=20, h=5, find Q1 using (0.25N).

12.5

14.0

11.0

Quartiles split data into how many equal parts?

Four

Two

Three

Which method places Q1 at (n+1)/4 for ungrouped data?

Using (n+1)/4 position

Using 0.25n without adjustment

Using n/4 position

For grouped data: L=100, N=400, cf=180, f=60, h=4. Compute Q3.

112

104

108

Q3 is the 75th percentile of the data, true or false?

False

Depends on data type

True

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Quartiles: Grouped & Ungrouped

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Quartiles: Grouped & UngroupedVersion en ligne

par PAGADUAN CAROLINE J.

In ungrouped data with n=12, where does the median (Q2) lie?

For ungrouped data with n=20, Q1 position using (n+1)/4 lies between which ranks?

What is the common formula for Q3 in grouped data?

What is the main difference when computing quartiles for grouped vs ungrouped data?

Ungrouped data {2,4,6,8,10}. What is Q2?

With L=10, N=200, cf=40, f=20, h=5, find Q1 using (0.25N).

Quartiles split data into how many equal parts?

Which method places Q1 at (n+1)/4 for ungrouped data?

For grouped data: L=100, N=400, cf=180, f=60, h=4. Compute Q3.

Q3 is the 75th percentile of the data, true or false?

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