Question
In: Math
The data show the time intervals after an eruption (to the next eruption) of a certain...
The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent (x) variable. Find the best predicted time of the interval after an eruption given that the current eruption has a height of 148 feet. Use a significance level of 0.05. Height (ft) Interval after (min) 136 83 140 84 134 94 144 92 102 67 109 67 104 84 116 84
Solutions
milcah answered 8 months agoRelated Solutions
The data show the time intervals after an eruption (to the next eruption) of a certain...
The data show the time intervals after an eruption (to the
next eruption) of a certain geyser. Find the regression equation,
letting the height of the current eruption be the explanatory
variable (denoted by x). Then use this equation to determine the
predicted length of the time interval after an eruption given that
the current eruption has a height of 113feet.
Height (ft), Interval after (min)
96 66
128 85
75 59
128 86
88 70
73 75
80 73...
The data show the time intervals after an eruption (to the next eruption) of a certain...
The data show the time intervals after an eruption (to the next
eruption) of a certain geyser. Find the regression equation,
letting the first variable be the independent (x) variable. Find
the best predicted time of the interval after an eruption given
that the current eruption has a height of
120
feet. Use a significance level of 0.05.
Height (ft)
Height (ft) Interval after (min)
96 68
111 80
76 66
91 72
66 58
108 79
116 84
91 ...
The data show the time intervals after an eruption (to the next eruption) of a certain...
The data show the time intervals after an eruption (to the
next eruption) of a certain geyser. Find the regression equation,
letting the first variable be the independent (x) variable. Find
the best predicted time of the interval after an eruption given
that the current eruption has a height of 126 feet. Use a
significance level of 0.05.
Height (ft) Interval after (min)
84 76
122 77
78 67
108 87
73 61
105 77
122 87
78 70
What...
The data show the time intervals after an eruption (to the next eruption) of a certain...
The data show the time intervals after an eruption (to the
next eruption) of a certain geyser. Find the regression equation,
letting the first variable be the independent (x) variable. Find
the best predicted time of the interval after an eruption given
that the current eruption has a height of 149 feet. Use a
significance level of 0.05. Height (ft) 136 140 134 144 102 109
104 116 Interval after (min) 83 84 94 92 67 67 84 84.
What...
The eruption height and the time interval after eruption of a geyser were measured and are...
The eruption height and the time interval after eruption of a
geyser were measured and are shown below. Answer parts a-c.
Height (x) Interval after (y)
140 75
130 71
115 59
140 73
112 64
110 56
100 54
120 68
a. Find the value of the linear correlation coefficient r.
b. Find the critical values of r from the table showing the
critical values for the Pearson correlation coefficient using
α=0.05
c. Is there sufficient evidence to conclude...
The eruption height and the time interval after eruption of a geyser were measured and are...
The eruption height and the time interval after eruption of a
geyser were measured and are shown below. Answer parts a-c.
Height (x)
125
135
85
95
100
95
115
105
Interval after (y)
58
62
40
45
47
48
57
50
a. Find the value of the linear correlation coefficient r.
b. Find the critical values of r from the table showing the
critical values for the Pearson correlation coefficient using
alpha=0.05.
c. Is there sufficient evidence to conclude...
For a certain river, suppose the drought length Y is the number of consecutive time intervals...
For a certain river, suppose the drought length Y is the number of consecutive time intervals in which the water supply remains below a critical value y0 (a deficit), preceded by and followed by periods in which the supply exceeds this critical value (a surplus). An article proposes a geometric distribution with p = 0.409 for this random variable. (Round your answers to three decimal places.)(a) What is the probability that a drought lasts exactly 3 intervals? At most 3...
For a certain river, suppose the drought length Y is the number of consecutive time intervals...
For a certain river, suppose the drought length Y is
the number of consecutive time intervals in which the water supply
remains below a critical value y0 (a deficit),
preceded by and followed by periods in which the supply exceeds
this critical value (a surplus). An article proposes a geometric
distribution with p = 0.385 for this random variable.
(Round your answers to three decimal places.)
(a) What is the probability that a drought lasts exactly 3
intervals? At most...
Data from service records show that the time to repair a certain machine is normally distributed with a mean of 65 min
Data from service records show that the time to repair a certain machine is normally distributed with a mean of 65 min and a standard deviation of 5 min. Estimate how often it will take more than 75 min to repair a machine.
The data below shows the duration of eruption (in seconds) of a geyser in a national...
The data below shows the duration of eruption (in seconds) of a
geyser in a national park and the height (in feet) of the eruptions
for a typical day. Use Excel to find the best fit linear regression
equation, where duration of eruption is the explanatory variable.
Round the slope and intercept to one decimal place.
Duration Height
240 140
237 154
122 140
267 140
113 160
258 140
232 150
105 150
186 160
248 155
243 125...
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