40b. Construct a 95% confidence interval of the mean drive-through service times at dinner for Restaurant Y. Restaurant XRestaurant Y81981221271191531491192661751851381281151561281641302131283351353101381762261112121552921521311019924014123623918614415214220120217015011613860133201147175155112130138166175137189242196233230249192233351232310174209851921011845618817210778146143175142158101170125158149164129120181135148308125 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. Comparethe results.Click the icon to view the data on drive-through service times.Construct a 95% confidence interval of the mean drive-through service times at dinner for Restaurant X.sec<μ )

The data shows the mean drive-through service times at dinner in seconds at two fast food…

Answered: Refer to the accompanying data set of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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4. The following are the scores of the male and female students in Statistics. Determine whether the male students perform better in the subject than the female students. Use 0.05 level of confidence. Males 32 25 44 26 25 37 30 25 65 27 22 15 52 X (g) Y (cm) X (g) Y (cm) 155 28 150 28 139 25 138 26 100 20 153 29 145 27 143 27 121 23 114 21 128 20 130 25 143 28 125 21 Females 5. The researcher wishes to find out the relationship between the weight and the length of fish cultured at the fishpond using bread meal as supplemental feed. Is there a significant degree of relationship between the weight and length of the fish? Use 0.05 level of confidence and answer the ff: 1. How much is the weight if it measures 30 cm? 2. How long is the fish if it weighs 120 g?
Student Gender Hours online/week Friends1 female 12 1102 male 5 2503 female 6 2404 female 2 505 male 4 1206 female 5 607 female 8 3408 female 7 1709 male 4 5010 female 6 8011 female 4 15012 male 8 43013 male 6 15014 male 3 20015 female 12 38016 female 4 5017 male 6 18018 male 10 45019 female 5 7020 male 7 12021 female 4 280 The mean for the number of hours online per week is? (Type an integer or a decimal rounded to two decimal places as needed.)
Calculate the mean and standard deviation for the two variables separately.
Data on grades of students who did and did not attend class regularly. What are the mean and median scores of those two groups of students? What do they suggest about the value of attending class? Attended class 241 243 246 249 250 252 254 254 255 256 261 262 263 264 264 264 265 267 267 270 271 272 273 276 276 277 278 278 280 281 282 284 288 288 290 291 291 292 293 294 296 296 297 298 310 320 321 328 Skipped class 188 195 195 225 228 232 233 237 239 240 250 256 256 256 261 264 264 268 270 270…
39 b. Construct a 95% confidence interval of the mean pulse rate for adult males Males Females 85 81 73 93 51 59 59 65 50 54 63 83 51 77 74 84 52 88 60 54 72 36 62 68 61 81 80 78 82 78 64 62 67 67 95 77 43 61 87 65 74 86 61 79 73 71 71 73 53 85 66 90 55 87 80 90 71 89 65 95 66 70 95 89 57 81 65 79 59 75 57 55 70 102 72 76 87 79 61 79
Find the 7th decile
Data set: 139 173 198 214 175 193 166 220 122 177 119 203 175 147 250 205 216 214 260 216 256 208 185 150 204 216 261 320 236 229 138 177 132 191 356 236 316 246 212 305 289 144 396 296 171 230 324 232 46 188 164 204 109 87 218 89 199 143 265 237 Find frequency and relative frequency draw relative frequency Use the empirical rule to estimate the percentages of observations that lie within one, two, and three standard deviations to either side of the Use the data to obtain the exact percentages of observations that lie within one, two, and three standard deviations to either side of the Compare your answers in parts (b) and (c)
I NEED THIS ANSWER !!! THANK YOU!!!!
The data set shows the ages of all participants in two yoga classes. Complete parts (a) through (d) below. 8:00 P.M. Class 3:00 P.M. Class 77 19 24 18 18 18 68 75 60 25 59 22 33 20 19 69 73 64 53 35 68 71 23 43 18 19 24 76 68 75 55 73 59 31 44 25 20 31 18 77 38 74 (a) Make a back to back stem-and-leaf plot to display the data. 8:00 P.M. Class 3:00 P.M. Class 1 2 3 te 5 6 esc Key: 10 10 7 cce 1-- 4t
) Find the correlation between social intelligence score obtained with the obtained by Dutt Self-Concept inventory for the following data. Social Intelligence test and self concept scores Test 1 Test 2 (Social Intelligençe) (Self-Concept) 80 112 78 98 56 82 45 78 48 56 72 78 68 79 57 62 65 87 61 88
Suppose that 50 students are enrolled in a statistics class and the following are the test scores received by them: 4+2+4 29 41 32 45 83 58 73 47 40 26 59 43 66 44 41 25 39 72 37 55 34 47 66 53 55 58 49 45 61 41 55 82 83 77 45 62 45 36 78 48 54 50 51 66 80 73 57 61 56 50 (i) Construct the frequency distribution table, calculate the relative frequency & percentage (ii) Construct the ogive for the above data. (iii) Find the mode for the above data.
Here is a set of data... 78 107 111 147 151 152 179 185 221 230 248 304 474 486 658 696 756 916 Identify the 5 number summary (min, Q1, median, Q3, max) MIN = 78 MEDIAN = 225.5 MAX = 916 Q1 Q2I do not remember how to get the Q1 and Q3

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Restaurant X	Restaurant Y
81	98
122	127
119	153
149	119
266	175
185	138
128	115
156	128
164	130
213	128
335	135
310	138
176	226
111	212
155	292
152	131
101	99
240	141
236	239
186	144
152	142
201	202
170	150
116	138
60	133
201	147
175	155
112	130
138	166
175	137
189	242
196	233
230	249
192	233
351	232
310	174
209	85
192	101
184	56
188	172
107	78
146	143
175	142
158	101
170	125
158	149
164	129
120	181
135	148
308	125