The National Hurricane Center provides data that list the number of large (category 3, 4, or 5) hurricanes that have struck the United States, by decade since 1851. The data is stored in Stat42190-01Test4Q15Data.csv Recently there has been some concern that perhaps the number of large hurricanes has been increasing. The natural hypothesis would be that the frequency of such hurricanes has remained constant. 1. With 109 large hurricanes observed over the 17 periods, what are the expected values for each cell? 6 2. What kind of chi-square test would be appropriate? The goodness off fit test 3. State the null and alternative hypothesis Ho:|1=0 Ho:μ±0 4. How many degrees of freedom are there? 16 5. What is the value of the test statistic? 13.376 6. What is the P-value? 0.6451 7. State the conclusion? I Page 16 of 17 1631 words B DFocus DO 63° L Esc Tab ! C F1 AI F2 A+ O 100% W с B F3 F4 F5 F6 F7 F8 T 6 27 Y U 95 % S4 #3 @ 2 W E S D R لل LL F GH * Row Decade Count 1 1851-1860 6 6 2 1861 1870 1 3 1871 1880 7 4 1881-1890 5 5 1891 1900 8 6 1901 1910 4 7 1911-1920 7 8 1921 1930 5 9 1931 1940 8 10 1941 1950 10 11 1951-1960 9 12 1961 1970 6 13 1971 1980 4 14 1981-1990 4 15 1991-2000 6 16 2001-2010 9 17 2011-2020 8 18 19 20 100% 21 22 var3 + F10 PrtSc F11 Insert F12 var4 var5 三 O 10:56 PM 5/8/2024 k
The National Hurricane Center provides data that list the number of large (category 3, 4, or 5) hurricanes that have struck the United States, by decade since 1851. The data is stored in Stat42190-01Test4Q15Data.csv Recently there has been some concern that perhaps the number of large hurricanes has been increasing. The natural hypothesis would be that the frequency of such hurricanes has remained constant. 1. With 109 large hurricanes observed over the 17 periods, what are the expected values for each cell? 6 2. What kind of chi-square test would be appropriate? The goodness off fit test 3. State the null and alternative hypothesis Ho:|1=0 Ho:μ±0 4. How many degrees of freedom are there? 16 5. What is the value of the test statistic? 13.376 6. What is the P-value? 0.6451 7. State the conclusion? I Page 16 of 17 1631 words B DFocus DO 63° L Esc Tab ! C F1 AI F2 A+ O 100% W с B F3 F4 F5 F6 F7 F8 T 6 27 Y U 95 % S4 #3 @ 2 W E S D R لل LL F GH * Row Decade Count 1 1851-1860 6 6 2 1861 1870 1 3 1871 1880 7 4 1881-1890 5 5 1891 1900 8 6 1901 1910 4 7 1911-1920 7 8 1921 1930 5 9 1931 1940 8 10 1941 1950 10 11 1951-1960 9 12 1961 1970 6 13 1971 1980 4 14 1981-1990 4 15 1991-2000 6 16 2001-2010 9 17 2011-2020 8 18 19 20 100% 21 22 var3 + F10 PrtSc F11 Insert F12 var4 var5 三 O 10:56 PM 5/8/2024 k
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
Related questions
Question
Questions 1-7 based on data
Transcribed Image Text:The National Hurricane Center provides data that list the number of large (category 3, 4, or 5)
hurricanes that have struck the United States, by decade since 1851. The data is stored in
Stat42190-01Test4Q15Data.csv
Recently there has been some concern that perhaps the number of large hurricanes has been
increasing. The natural hypothesis would be that the frequency of such hurricanes has
remained constant.
1. With 109 large hurricanes observed over the 17 periods, what are the expected values for
each cell? 6
2. What kind of chi-square test would be appropriate? The goodness off fit test
3. State the null and alternative hypothesis
Ho:|1=0
Ho:μ±0
4. How many degrees of freedom are there? 16
5. What is the value of the test statistic? 13.376
6. What is the P-value? 0.6451
7. State the conclusion?
I
Page 16 of 17
1631 words B
DFocus
DO
63°
L
Esc
Tab
!
C
F1
AI
F2
A+
O
100%
W
с
B
F3
F4
F5
F6
F7
F8
T
6
27
Y U
95
%
S4
#3
@
2
W
E
S
D
R
لل
LL
F
GH
*
Transcribed Image Text:Row
Decade
Count
1
1851-1860
6
6
2
1861 1870
1
3
1871 1880
7
4
1881-1890
5
5
1891 1900
8
6
1901 1910
4
7
1911-1920
7
8
1921 1930
5
9
1931 1940
8
10
1941 1950
10
11
1951-1960
9
12
1961
1970
6
13
1971
1980
4
14
1981-1990
4
15
1991-2000
6
16
2001-2010
9
17
2011-2020
8
18
19
20
100%
21
22
var3
+
F10
PrtSc
F11
Insert
F12
var4
var5
三
O
10:56 PM
5/8/2024
k
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