ruigE
2021-05-09
The two intervals (114.4, 115.6) and (114.1, 115.9) are confidence intervals (The same sample data was used to calculate both values) for true average resonance frequency (in hertz) for all tennis rackets of a certain type.
a. What is the value of the sample mean resonance frequency?
b. The confidence level for one of these intervals is 90% and for the other it is 99%. Which is which, and how can you tell?
curwyrm
Skilled2021-05-10Added 87 answers
To conclude,
(a) The sample mean resonance frequency is 115.
(b) The confidence level of
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