Let
U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14},
A = {5,...
Let
U = {5, 6, 7, 8, 9, 10, 11, 12, 13, 14},
A = {5, 7, 9, 11, 13},
B = {6, 8, 10, 12, 14},
and
C = {5, 6, 8, 9, 12, 13}.
List the elements of each set. (Enter your answers using roster
notation. Enter EMPTY or ∅ for the empty set.)
(a) Ac ∩ (B
∩ C c)
(b) (A ∪ Bc) ∪
(B ∩ C c)
(c) (A ∪
B)c ∩
C c
Data Set A: 11, 12, 13
Data Set B: 9, 10, 11, 12, 13, 14, 15...
Data Set A: 11, 12, 13
Data Set B: 9, 10, 11, 12, 13, 14, 15
Data Set C: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
Find the mean, sample standard deviation–treating the data as a
sample, and the population standard deviation–treating the data as
a population.
The sample data are from a normal population: 10, 8, 12, 15, 13,
11, 6, 5....
The sample data are from a normal population: 10, 8, 12, 15, 13,
11, 6, 5.
What is the point estimate of the population mean?
What is the point estimate of the population standard deviation?
(Round to two decimal places)
With 95% confidence, what is the margin of error for the
estimation of the population mean? (Round to two decimal
places)
What is the 95% confidence interval for the population mean?
(Round to two decimal places) ________and__________
HW 6: z-test, t-test for independent samples, t-test for related
samples, 1-way ANOVA
Researchers wanted to...
HW 6: z-test, t-test for independent samples, t-test for related
samples, 1-way ANOVA
Researchers wanted to explore different treatment methods to
effect memory skills in high school freshmen. Subjects were given a
memory test (under multiple conditions) these were the results:
Group 1
10, 8, 9, 11,
8, 9, 7, 6,
9, 8
Group 2
12, 10,
11, 9, 13, 8, 9, 12, 11, 11
Group 3
10, 9, 10, 9, 11,
8, 7, 9, 10, 11...