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6.1 Exit Ticket - Summary Statistics

Last updated 20 days ago

10 Nsɛmmisa

The number of phone calls per hour that store managers receive during the day are shown below.

3,5,6,2,4,7,4,9

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Find the median number of calls.

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Find the value of the mean.

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Write down the value of the mode.

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Find the value of the range.

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

Find the value of the interquartile range.

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Find the value of the standard deviation.

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

Find the value of the variance.

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

The number of phone calls per hour increases by 1.
State the value of the new mean.

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

The number of phone calls per hour increases by 1.
State the value of the variance.

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

The number of phone calls per hour increases by 20%.
State the value of the new standard deviation.