Answer:
is this a multiple answer question
Step-by-step explanation:
A+(n-1)d=nth term
a----first term(260)
d----common difference(-52)
Hope it helps!!
Answer:
Statistic
Step-by-step explanation:
Since, a characteristic of a sample is called statistic. It is used to estimate the value of a population parameter and can be computed from the sample.
Here, the sample is 104 children,
For which the average number of hours of sleep per night was 9.46 hours,
∵ 9.46 is the number that can be computed from the sample of 97 children.
Hence, the number 9.46 is a Statistic
Yes it is. Hope it helps.:)