Question

Unit sales for new product ABC have varied in the first seven months of this year as follows:

Month | Jan | Feb | Mar | Apr | May | Jun | Jul |
---|---|---|---|---|---|---|---|

Unit Sales | 432 | 168 | 192 | 417 | 272 | 386 | 410 |

**What is the interquartile range (IQR) of the
data?**

Please specify your answer as an integer.

Note: Use the following formula to find quartile locations:

Lq=(n+1)⋅(q4)Lq=(n+1)⋅(q4)

where q is the quartile index (e.g., q=1 for the first quartile) and n is the number of data points.

Excel's QUARTILE (and PERCENTILE) function uses a different method to compute quartile boundaries.

Answer #1

**Solution:-**

**Given that**

Unit sales for new product ABC have varied in the first seven months of this year as follows:

Month | Jan | Feb | Mar | Apr | May | Jun | Jul |

Unit Sales | 432 | 168 | 192 | 417 | 272 | 386 | 410 |

**What is the interquartile range (IQR) of the
data?**

Sorted data values as follows

168

192 Q1 = 192

272

386 median = Q2 = 386

410

417 Q3 = 417

432

Interquartile range (IQR) is,

IQR = Q3 - Q1

= 417 - 192

IQR = 225

Therefore the interquartile range (IQR) of the data is 225.

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Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
145
492
319
265
389
321
180
What is the interquartile range (IQR) of the
data?
Please specify your answer as an integer.
Note: Use the following formula to find quartile locations:
Lq=(n+1)⋅(q4)Lq=(n+1)⋅(q4)
where q is the quartile index (e.g., q=1 for the first quartile)
and n is the number of data...

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
248
482
341
174
456
310
273
What is the interquartile range (IQR) of the
data?
Please specify your answer as an integer.
Note: Use the following formula to find quartile locations:
Lq=(n+1)⋅(q4)Lq=(n+1)⋅(q4)
where q is the quartile index (e.g., q=1 for the first quartile)
and n is the number of data...

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
314
285
158
482
284
310
281
What is the interquartile range (IQR) of the
data?
Please specify your answer as an integer.

Unit sales for new product ABC have varied in the first seven
months of this year as follows: Month Jan Feb Mar Apr May Jun Jul
Unit Sales 295 218 374 365 281 234 304 What is the (population)
variance of the data? Please round your answer to the nearest
integer.

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
295
218
374
365
281
234
304
What is the (sample) skewness of the data?
Please round your answer to the nearest hundredth.

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
145
492
319
265
389
321
180
What is the (population) Pearson's coefficient of
skewness of the data?
Please round your answer to the nearest hundredth.

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
385
419
227
193
283
137
419
What is the (population) standard deviation of the
data?
Please round your answer to the nearest integer.
Note that the correct answer will be evaluated based on the
full-precision result you would obtain using Excel.

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
145
492
319
265
389
321
180
What is the (population) standard deviation of the
data?
Please round your answer to the nearest integer.
Note that the correct answer will be evaluated based on the
full-precision result you would obtain using Excel.

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
295
218
374
365
281
234
304
What is the (sample) skewness of the data?
Please round your answer to the nearest hundredth.
Note that the correct answer will be evaluated based on the
full-precision result you would obtain using Excel.

Unit sales for new product ABC have varied in the first seven
months of this year as follows:
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Unit Sales
385
419
227
193
283
137
419
What is the (population) Pearson's coefficient of
skewness of the data?
Please round your answer to the nearest hundredth.
Note that the correct answer will be evaluated based on the
full-precision result you would obtain using Excel.

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