Statistika

Queence loves cats. She visits the houses of her neighbours to find out the number of cats in their community. What is the mean number of cats? 

• 0
• 0.5
• 0.873
• 1

What is the class interval where the median lies?

• 0 < w < 3
• 3 < w < 6
• 6 < w < 9
• 9 < w < 12

It is used to find the center or middle value of a data set.

• Mean 
• Median
• Mode
• Midrange

It is used when the most typical case is desired.

• Mean
• Median
• Mode
• Midrange

What is the class width of this frequency distribution?

• 9
• 10
• 14
• 40

What is the lower boundary of the modal class in this distribution?

• 29.5
• 39.5
• 49.5

What is the cumulative frequency of the median class in this distribution?

• 14
• 15
• 24
• 9

What is the cumulative frequency of the modal class in this distribution?

• 1
• 14
• 15
• 24

Which formula contains no lower boundary?

• Mean of grouped data
• Median of grouped data
• Mode of grouped data
• None of these

Diagram di atas menunjukkan kegemaran siswa pada kegiatan ekstrakulikuler di sekolah. Jumlah siswa ada 300, siswa yang gemar mengikuti pramuka ada....

• 125

• 135

• 145

• 155