Mathematics, 05.12.2019 03:31 21hendlill
Refer to the accompanying data display that results from a sample of airport data speeds in mbps. complete parts (a) through (c) below.
click the icon to view a t distribution table.
tinterval
(13.046,22.15)
x overbarxequals=17.598
sxequals=16.01712719
nequals=50
a. what is the number of degrees of freedom that should be used for finding the critical value
t subscript alpha divided by 2tα/2?
dfequals=4949
(type a whole number.)
b. find the critical value
t subscript alpha divided by 2tα/2
corresponding to a 95% confidence level.
t subscript alpha divided by 2tα/2equals=
nothing
(round to two decimal places as neede
Answers: 3
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