Answer:
$46.272
Step-by-step explanation:
Can someone help? I also have 4 more problems.
1 answer:
Answer:
.0853
.8770
.9370
.0045
.4898
Step-by-step explanation:
Just go to a ztable and match the values (I've attached the one i use below)
if it's negative subtract one
if it's z># then subtract one
so for 1.37 go to the table and find the value (.8770) and subtract 1
Go to 1.16 on the z table (.8770), subtract 1 (1-.8770) and then do it again
for the last one you need to take a z value of 0 (.5) and then the value for 2.32 (.9898) and subtract them
.9898-.5=.4898
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Answer:
a) Sample mean: 48.71
Sample median: 48.3
Sample variance: 5.41
Sample standard deviation: 2.37
Step-by-step explanation:
a) Sample mean:
Sample median: M=48.3
Note: I order the data increasingly and take the value N / 2 = 40. In this way there are 39 values above and 39 values below the median.
Sample variance:
Sample standard deviation
b)
