Answer:
(b) 0.251
Step-by-step explanation:
1. Standard deviation equation:

Where X is the mean of the data, and N the amount of data. Then, N=5
2. Estimate the Mean:

3. Caclulate Standard deviation:


Answer: 7^8
Explanation: just add the exponent if you are multiplying two things with the same base
Answer:
mews jh
Step-by-step explanation:
Answer:
7.50 cheaper than buying individually
Step-by-step explanation:
13.50/6=2.25
3.50*6=21.00
21.00-13.50= 7.50
Answer:
best way would be calendar
Step-by-step explanation:
then stop watch
heartbeat
finding height?
(im not totally sure because it depends what type of timekeeping you're talking about)