Question

Consider the following sample data set, answer the questions using the result of minitab

171 152 170 168 169 171 190 183 185 140 173 206 172 174 169 199 151 180 167 170 188

Find z-scores for this data set

Answer #1

Consider the following sample data set: 171 132 170 168 169 171
190 183 185 140 173 206 172 174 169 199 151 180 167 170 188
Find the 20% and 70% percentile
Find q1, q3, IQR, inner fence, outer fence
Construct boxplot, and identify outlier

115 124 132 134 136 137 138 138 139 140 141 141 144 144 145 145
145 146 146 148 150 150 150 151 151 151 151 154 154 156 156 156 156
157 158 159 159 159 159 160 161 161 161 161 162 162 163 164 164 164
164 165 165 165 166 166 166 166 168 168 168 168 168 168 169 169 169
169 170 170 171 171 172 173 173 173 173 173 174 174...

Refer to the accompanying data set of mean drive-through
service times at dinner in seconds at two fast-food restaurants.
Construct a
99% confidence interval estimate of the mean drive-through
service time for Restaurant X at dinner; then do the same for
Restaurant Y. Compare the results.
Service Times (seconds)
Restaurant X
Restaurant Y
80
80
124
124
118
118
147
147
264
264
102
102
127
127
155
155
112
112
174
174
183
183
119
119
149
149
164...

Refer to the accompanying data set of mean drive-through
service times at dinner in seconds at two fast food restaurants.
Construct a 99% confidence interval estimate of the
meandrive-through service time for Restaurant X at dinner; then
do the same for Restaurant Y. Compare the results.
Restaurant X Restaurant Y
82
101
116 128
121 151
148 117
267 179
179 136
119 107
150 119
161 133
210 124
336 129
303 135
173 224
108 216
159 291...

Refer to the accompanying data set of mean drive-through
service times at dinner in seconds at two fast-food restaurants.
Construct a
95% confidence interval estimate of the mean drive-through
service time for Restaurant X at dinner; then do the same for
Restaurant Y. Compare the results.
Restaurant X
Restaurant Y
85
85
116
116
118
118
146
146
270
270
100
100
124
124
156
156
118
118
176
176
184
184
125
125
154
154
166
166
211
211...

Use minitab to solve the following:
5. The following data are the wing stroke frequencies for
samples of two species of Euglossine bees. Four bees from one
species and six from the next:
Wing Stroke Frequencies:
Euglossa Mandibularis Friese
Euglossa Imperialis Cockerell
235
180
225
169
190
180
188
185
178
183
Under what condition is the median a better measure of center
than the mean?
At the 0.05 level of significance, is there any difference in
the median wing...

Refer to the accompanying data set of mean drive-through service
times at dinner in seconds at two fast food restaurants. Construct
a 99% confidence interval estimate of the mean drive-through
service time for restaurant X at dinner then do the same for
restaurant Y
Restaurant X Restaurant Y
83 101
119 131
116 155
143 111
263 174
178 135
122 111
154 123
166 128
215 128
328 131
303 136
179 230
109 217
154 296
149 126...

Pat.#
Before
After
1
195
125
To the left is 2 datasets measured for
a sample of 107 patients with the high cholesterol level before and
after taking medication. Obtain the following for both sets:
2
208
164
3
254
152
1- the mean, mode and median
4
226
144
5
290
212
2- the variance and standard
deviation
6
239
171
7
216
164
3- First, second and third
quartiles
8
286
200
9
243
190
10
217
130...

*Question 1:===========*/
/*Use cards or datalines to read the following data into SAS. This
data set records the body weights of individuals at the beginning
of every month
over seven months for a weight-loss program. Please use one data
step to create a SAS data set that shows the number of months it
takes
for each individual to lose his/her first twenty pounds. Note that
no weight values from the original data set should be explicitly
referenced in the program....

Refer to the accompanying data set of mean drive-through
service times at dinner in seconds at two fast food restaurants.
Construct a 99% confidence interval estimate of the mean
drive-through service time for Restaurant X at dinner; then do the
same for Restaurant Y. Compare the results. LOADING... Click the
icon to view the data on drive-through service times. Construct a
99% confidence interval of the mean drive-through service times
at dinner for Restaurant X. nothing secless thanmuless than nothing...

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