Question

Claim: The standard deviation of pulse rates of adult males is

less thanless than 11 bpm. For a random sample of 158 adult males, the pulse rates have a standard deviation of 10.6 bpm. Complete parts (a) and (b) below.

a> Express the original claim in symbolic form.

2. identify the null and the alternative hypotheses.

h0=

h1=

Answer #1

Claim: The mean pulse rate (in beats per minute) of adult
males is equal to 69.3bpm. For a random sample of 159 adult males,
the mean pulse rate is 69.7 bpm and the standard deviation is 11.4
bpm. Complete parts (a) and (b) below.
a. Express the original claim in symbolic form.
[ ] [ ] [ ] bpm
b. Identify the null and alternative hypotheses.
H0: [ ] [ ] [ ] bpm
H1: [ ] [ ]...

Claim: The standard deviation of pulse rates of adult males is
less than 11 bpm. For a random sample of 144 adult males, the pulse
rates have a standard deviation of 9.6 bpm. Find the value of the
statistic.

Claim: The standard deviation of pulse rates of adults males is
more than 12 bpm. For a random sample of 171 adult males, the pulse
rates have a standard deviation of 13.4 bmp. .
1. what is the original claim in symbolic form?
2. what is the null and alternative hypothesis?

Claim: The mean pulse rate (in beats per minute) of adult
males is equal to 69.5 bpm. For a random sample of 155 adult
males, the mean pulse rate is 70.9 bpm and the standard deviation
is 10.9 bpm. Complete parts (a) and (b) below.
a. Express the original claim in symbolic form.
b. Identify the null and alternative hypotheses.

Claim: the standard deviation of pulse rates of adult males is more
than 12 bpm. For a random sample of 127 adult males, the pulse
rates have a standard deviation is 13.2 bpm. Find the value of the
test statistic.

8.
Use the pulse rates in beats per minute (bpm) of a random
sample of adult females listed in the data set available below to
test the claim that the mean is less than76
bpm. Use a 0.10 significance level.
Pulse Rate (bpm)
85
58
65
87
85
98
97
101
74
64
40
99
67
68
100
64
100
68
44
60
61
36
56
96
89
68
40
82
51
44
35
77
72
71
101
79
89...

6.
Use the pulse rates in beats per minute (bpm) of a random
sample of adult females listed in the data set available below to
test the claim that the mean is less than 78 bpm. Use a 0.10
significance level.
Pulse Rate (bpm)
102
102
36
100
72
52
46
71
83
87
50
58
36
46
52
94
39
65
40
101
76
65
89
67
99
51
70
44
76
77
57
102
87
79
41
95...

Claim: The mean pulse rate (in beats per minute) of adult
males is equal to 69 bpm. For a random sample of 127 adult males,
the mean pulse rate is 67.9 bpm and the standard deviation is 10.6
bpm. Find the value of the test statistic.
The value of the test statistic is ___________ (round to two
decimal places)

Claim: The mean pulse rate (in beats per minute) of adult
males is equal to 69 bpm. For a random sample of 136 adult males,
the mean pulse rate is
70.4 bpm and the standard deviation is 10.6 bpm. Find the value
of the test statistic.
The value of the test statistic is ___ .
(Round to two decimal places as needed.)

Claim: The mean pulse rate (beats per minute) of adult males is
equal to 69 bpm. For a sample of 128 adult males, the mean pulse
rate is 68.4 bpm and the standard deviation is 11.5 bpm. Find the
value of the test statistic. The value of the test statistic is __
(round to two decimal places).

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