Statistics Test

Result

Statistics Test - 24

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Weekly Quiz Competition

Question 1
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Directions For Questions

The histogram represents the number of children entering into a library between different times in a day.

...view full instructions

Find the number of children in the interval $$20-30$$ hours?

A
$$10$$

B
$$15$$

C
$$25$$

D
$$45$$

Solution

From the histogram,
The number of children entered during $$0-10$$ hours $$= 45$$
The number of children entered during $$10-20$$ hours $$= 55$$
The number of children entered during $$20-30$$ hours $$= 15$$
The number of children entered during $$30-40$$ hours $$= 25$$
The number of children entered during $$40-50$$ hours $$= 85$$
The number of children entered during $$50-60$$ hours $$= 10$$.

The number of children entered into the library in $$20-30$$ hours $$= 15$$.

Hence, option $$B$$ is correct.
Question 2
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The annual maintenance cost of a machine in a factory over a seven years period is represented in the histogram.
In which year the maintenance cost is $$2500$$?

A
$$1998-1999$$

B
$$2000-2001$$

C
$$2001-2002$$

D
$$1995-1996$$

Solution

From the histogram, the maintenance cost in the year:
$$1995-1996$$ is Rs. $$2000$$
$$1996-1997$$ is Rs. $$3000$$
$$1997-1998$$ is Rs. $$1500$$
$$1998-1999$$ is Rs. $$2500$$
$$1999-2000$$ is Rs. $$4850$$
$$2000-2001$$ is Rs. $$5000$$
$$2001-2002$$ is Rs. $$7200$$.

Then, the maintenance cost is Rs. $$2500$$ in the year $$1998-1999$$.

Hence, option $$A$$ is correct.
Question 3
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12 24 36 48 60 72
24 48 60 72 50 30
50 45 50 75 50 34
The number of students in a quiz competition scores are in the table. How many students scored $$50$$ marks?

A
$$4$$

B
$$5$$

C
$$8$$

D
$$3$$

Solution

Scores Frequency
12 1
24 2
30 1
34 1
36 1
45 1
48 2
50 4
60 2
72 2
75 1
So, there are $$4$$ students scored $$50$$ marks.
Question 4
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Directions For Questions

Judah recorded the number of football tickets collected by his friends, on the histogram.

...view full instructions

From the graph, find the number of tickets collected between the interval $$14-16$$.

A
$$25$$

B
$$20$$

C
$$15$$

D
$$10$$

Solution

From the graph, the number of tickets collected between the interval $$14-16 $$ is $$20$$.
Question 5
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Directions For Questions

The histogram shows the number of music directors and the number of songs they complete in a year.

...view full instructions

How many music directors required to create $$(9-10)$$ song?

A
$$8$$

B
$$5$$

C
$$4$$

D
$$6$$

Solution

By looking the graph, we get $$8$$ music directors required to create $$(9-10)$$ song
Question 6
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Directions For Questions

The histogram shows the number of music directors and the number of songs they complete in a year.

...view full instructions

In which interval the number of music directors made more songs?

A
$$1-2$$

B
$$3-4$$

C
$$5-6$$

D
$$7-8$$

Solution

The tallest bar represents the more songs made by the music director between the interval 5−6.
Question 7
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Directions For Questions

The histogram shows the number of music directors and the number of songs they complete in a year.

...view full instructions

Calculate the number of songs made during the interval $$9-10$$.

A
$$14$$

B
$$6$$

C
$$8$$

D
$$10$$

Solution

By looking the graph, we get the number of songs made during the interval $$9-10$$ is $$8$$.
Question 8
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How many students got more than $$70$$ marks?

A
$$16$$

B
$$8$$

C
$$47$$

D
$$18$$

Solution

From the given frequency polygon, we get the students who got more than $$70$$ marks $$= 16 + 18 + 13 = 47$$.

Hence, option $$C$$ is correct.
Question 9
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Directions For Questions

The histogram shows the number of music directors and the number of songs they complete in a year.

...view full instructions

How many songs were made between the interval $$3-4$$?

A
$$20$$

B
$$18$$

C
$$6$$

D
$$14$$

Solution

By looking the graph, we get the number of songs made between the interval $$3-4$$ is $$18$$.
Question 10
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Directions For Questions

The histogram shows the number of music directors and the number of songs they complete in a year.

...view full instructions

Upto $$6$$ songs are totally made by how many music directors?

A
$$20$$

B
$$18$$

C
$$10$$

D
$$50$$

Solution

$$6$$ songs made by total number of music directors $$= 20 + 18 + 12 = 50$$

User

Question Analysis

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My Perfomance

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Re-Attempt Weekly Quiz Competition

Scores	Frequency
12	1
24	2
30	1
34	1
36	1
45	1
48	2
50	4
60	2
72	2
75	1

Statistics Test - 24

Result

Statistics Test - 24

Score

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Rank

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SHARING IS CARING

Question 1

$$10$$

$$15$$

$$25$$

$$45$$

Solution

Question 2

$$1998-1999$$

$$2000-2001$$

$$2001-2002$$

$$1995-1996$$

Solution

Question 3

$$4$$

$$5$$

$$8$$

$$3$$

Solution

Question 4

$$25$$

$$20$$

$$15$$

$$10$$

Solution

Question 5

$$8$$

$$5$$

$$4$$

$$6$$

Solution

Question 6

$$1-2$$

$$3-4$$

$$5-6$$

$$7-8$$

Solution

Question 7

$$14$$

$$6$$

$$8$$

$$10$$

Solution

Question 8

$$16$$

$$8$$

$$47$$

$$18$$

Solution

Question 9

$$20$$

$$18$$

$$6$$

$$14$$

Solution

Question 10

$$20$$

$$18$$

$$10$$

$$50$$

Solution

User

Question Analysis

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Score

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Rank

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