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Guinea pig survival times Here are the survival times in
Chapter , Problem R1.7(choose chapter or problem)
Guinea pig survival times Here are the survival times in days of 72 guinea pigs after they were injected with infectious bacteria in a medical experiment. \(^{52}\) Survival times, whether of machines under stress or cancer patients after treatment, usually have distributions that are skewed to the right
\(\begin{array}{rrrrrrrrrrrr}
\hline 43 & 45 & 53 & 56 & 56 & 57 & 58 & 66 & 67 & 73 & 74 & 79 \\
50 & 80 & 81 & 81 & 81 & 82 & 83 & 83 & 54 & 88 & 89 & 91 \\
91 & 92 & 92 & 97 & 99 & 99 & 100 & 100 & 101 & 102 & 102 & 102 \\
103 & 104 & 107 & 105 & 109 & 113 & 114 & 118 & 121 & 123 & 126 & 128 \\
137 & 138 & 139 & 144 & 145 & 147 & 156 & 162 & 174 & 175 & 179 & 184 \\
191 & 196 & 211 & 214 & 243 & 249 & 329 & 380 & 403 & 511 & 522 & 598 \\
\hline
\end{array}\)
(a) Make a histogram of the data and describe its main features. Does it show the expected right-skew?
(b) Now make a boxplot of the data. Be sure to check for outliers.
Questions & Answers
QUESTION:
Guinea pig survival times Here are the survival times in days of 72 guinea pigs after they were injected with infectious bacteria in a medical experiment. \(^{52}\) Survival times, whether of machines under stress or cancer patients after treatment, usually have distributions that are skewed to the right
\(\begin{array}{rrrrrrrrrrrr}
\hline 43 & 45 & 53 & 56 & 56 & 57 & 58 & 66 & 67 & 73 & 74 & 79 \\
50 & 80 & 81 & 81 & 81 & 82 & 83 & 83 & 54 & 88 & 89 & 91 \\
91 & 92 & 92 & 97 & 99 & 99 & 100 & 100 & 101 & 102 & 102 & 102 \\
103 & 104 & 107 & 105 & 109 & 113 & 114 & 118 & 121 & 123 & 126 & 128 \\
137 & 138 & 139 & 144 & 145 & 147 & 156 & 162 & 174 & 175 & 179 & 184 \\
191 & 196 & 211 & 214 & 243 & 249 & 329 & 380 & 403 & 511 & 522 & 598 \\
\hline
\end{array}\)
(a) Make a histogram of the data and describe its main features. Does it show the expected right-skew?
(b) Now make a boxplot of the data. Be sure to check for outliers.
ANSWER:Step 1 of 3
a.)
The data is given as,
\(\begin{array}{rrrrrrrrrrrr} \hline 43 & 45 & 53 & 56 & 56 & 57 & 58 & 66 & 67 & 73 & 74 & 79 \\ 50 & 80 & 81 & 81 & 81 & 82 & 83 & 83 & 54 & 88 & 89 & 91 \\ 91 & 92 & 92 & 97 & 99 & 99 & 100 & 100 & 101 & 102 & 102 & 102 \\ 103 & 104 & 107 & 105 & 109 & 113 & 114 & 118 & 121 & 123 & 126 & 128 \\ 137 & 138 & 139 & 144 & 145 & 147 & 156 & 162 & 174 & 175 & 179 & 184 \\ 191 & 196 & 211 & 214 & 243 & 249 & 329 & 380 & 403 & 511 & 522 & 598 \\ \hline \end{array}\)