Question

The following data give the weekly amounts spent on groceries for a sample of households. $271...

The following data give the weekly amounts spent on groceries for a sample of households.

$271

$363

$159

$ 76

$227

$337

$295

$319

$250

279

205

279

266

199

177

162

232

303

192

181

321

309

246

278

50

41

335

116

100

151

240

474

297

170

188

320

429

294

570

342

279

235

434

123

325
  1. Create a frequency table of 9 classes
  2. Use the classes as (x) to find the mean of the distribution
  3. Use the classes to find the variance and standard deviation --------------------------
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A) The following data give the weekly amounts spent on groceries for a sample of households....
A) The following data give the weekly amounts spent on groceries for a sample of households. $271 $363 $159 $ 76 $227 $337 $295 $319 $250 279 205 279 266 199 177 162 232 303 192 181 321 309 246 278 50 41 335 116 100 151 240 474 297 170 188 320 429 294 570 342 279 235 434 123 325 Create a frequency table of 9 classes Use the classes as (x) to find the mean of the...
The following data give the weekly amounts spent on groceries for a sample of 45 households....
The following data give the weekly amounts spent on groceries for a sample of 45 households. $271 $363 $159 $76 $227 $337 $295 $319 $250 279 205 279 266 199 177 162 232 303 192 181 321 309 246 278 50 41 335 116 100 151 240 474 297 170 188 320 429 294 570 342 279 235 434 123 325 g. What percentage of the sales is within + one standard deviation h. Explain the results of this analysis
The following data give the weekly amounts spent on groceries for a sample of 45 households....
The following data give the weekly amounts spent on groceries for a sample of 45 households. See Attached Excel Spread Sheet $271 $363 $159 $76 $227 $337 $295 $319 $250 279 205 279 266 199 177 162 232 303 192 181 321 309 246 278 50 41 335 116 100 151 240 474 297 170 188 320 429 294 570 342 279 235 434 123 325 Use formulas from the text or notes or the Excel Commands for the descriptive...
While Florida obviously has the upper hand in terms of production, California claims that they have...
While Florida obviously has the upper hand in terms of production, California claims that they have the upper hand in terms of productivity. test this hypothesis Year CALIFORNIA FLORIDA 1978 226 290 1979 199 287 1980 320 358 1981 357 301 1982 233 225 1983 429 260 1984 274 246 1985 299 247 1986 309 324 1987 335 319 1988 342 363 1989 332 377 1990 408 276 1991 143 360 1992 371 315 1993 363 381 1994 344 341...
CANS109   CANS111 270   287 273   216 258   260 204   291 254   210 228   272 282   260...
CANS109   CANS111 270   287 273   216 258   260 204   291 254   210 228   272 282   260 278   294 201   253 264   292 265   280 223   262 274   295 230   230 250   283 275   255 281   295 271   271 263   268 277   225 275   246 278   297 260   302 262   282 273   310 274   305 286   306 236   262 290   222 286   276 278   270 283   280 262   288 277   296 295   281 274   300 272   290 265   284 275   304...
A loan made on March 14 is due September 13 of the following year. Find the...
A loan made on March 14 is due September 13 of the following year. Find the exact time for the loan in a​ non-leap year and a leap year. days. The exact time in a​ non-leap year is ? days The exact time in a leap year is ? days. Data Table Sequential Numbers for Dates of the Year Day of Month Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. 1 1 32 60 91 121...
Months Sales LastRate Location 398 290 8 Suburban 45 243 9 Urban 25 289 6.5 Urban...
Months Sales LastRate Location 398 290 8 Suburban 45 243 9 Urban 25 289 6.5 Urban 378 207 4.5 Rural 64 275 6 Rural 373 275 5.5 Urban 41 209 6 Urban 84 265 9 Urban 27 290 8 Suburban 36 319 7 Urban 99 327 7.5 Suburban 68 154 6.5 Suburban 18 356 5.5 Urban 29 321 6.5 Urban 28 307 7.5 Suburban 45 213 6.5 Suburban 122 273 5.5 Suburban 51 239 4.5 Suburban 24 259 6 Rural...
Researchers in a 2015 study by Flannery et al. sought to estimate the effectiveness of the...
Researchers in a 2015 study by Flannery et al. sought to estimate the effectiveness of the seasonal influenza vaccine in preventing acute respiratory infection (ARI). A total of 507 subjects from Texas who showed symptoms of ARI were recruited for this study. The data provided show the result of each subject's test for influenza. Click to download the data in your preferred format.    CrunchIt!    CSV    Excel    JMP    Mac-Text    Minitab    PC-Text    R   ...
Use the Manufacturing database from “Excel Databases.xls” on Blackboard. Use Excel to develop a multiple regression...
Use the Manufacturing database from “Excel Databases.xls” on Blackboard. Use Excel to develop a multiple regression model to predict Cost of Materials by Number of Employees, New Capital Expenditures, Value Added by Manufacture, and End-of-Year Inventories. Locate the observed value that is in Industrial Group 12 and has 7 employees. Based on the model and the multiple regression output, what is the corresponding residual of this observation? Write your answer as a number, round to 2 decimal places. SIC Code...
Your firm works in construction and buys ASTM A325M8S bolts in very large numbers. You are...
Your firm works in construction and buys ASTM A325M8S bolts in very large numbers. You are interested in purchasing bolts from different suppliers and have obtained and tested samples of 200 bolts from three suppliers: Allnutt, Boltzman, Coachers.You have tested these in your new bolt testing machine, purchased after you had discovered your old bolt testing machine was performing erratically. (For the purposes of this question, you are safe to assume that the new machine works perfectly and that its...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT