KDP categories · Top KDP authors
Deborah J. Rumsey: Amazon KDP author data
As of Nov 6, 2026, Deborah J. Rumsey has 13 books on Amazon, 13 of them on a best-seller list in the last 30 days (best rank #3), mostly in Statistics, Probability & Statistics, Reference.
| Median price | $15.51 |
|---|---|
| Price range (middle 50%) | $15 – $18.36 |
| Median reviews | 308 |
| Total reviews | 7,692 |
| New books (30 days) | 1 |
| Breakout books (30 days) | 0 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- Median price $15.51, 59% below the median of their main category, Statistics.
Deborah J. Rumsey's best-ranked books
-
Statistics For Dummies (For Dummies (Lifestyle))
by Deborah J. Rumsey
- Price$15
- Rating4.3
- Reviews2,219
-
Statistics All-in-One For Dummies
by Deborah J. Rumsey
- Price$24
- Rating4.6
- Reviews115
-
Statistics Workbook For Dummies with Online Practice
by Deborah J. Rumsey
- Price$15
- Rating4.3
- Reviews314
-
Statistics For Dummies (For Dummies (Lifestyle))
by Deborah J. Rumsey
- Price$13.99
- Rating4.3
- Reviews2,219
-
Statistics Essentials For Dummies
by Deborah J. Rumsey
- Price$5
- Rating4.3
- Reviews982
-
Probability For Dummies
by Deborah J. Rumsey
- Price$15
- Rating4.4
- Reviews26
-
Statistics All-in-One For Dummies
by Deborah J. Rumsey
- Price$35.76
- Rating4.6
- Reviews115
-
Statistics Workbook For Dummies with Online Practice
by Deborah J. Rumsey
- Price$16.53
- Rating4.3
- Reviews314
-
Probability For Dummies
by Deborah J. Rumsey
- Price$15.51
- Rating4.4
- Reviews26
-
Statistics II For Dummies
by Deborah J. Rumsey
- Price$16.17
- Rating4.1
- Reviews78
Main categories
FAQ
How many books does Deborah J. Rumsey have on Amazon?
KDPTop tracks 13 of their books; 13 made an Amazon list in the last 30 days.
Which categories does Deborah J. Rumsey publish in?
Their books chart most often in Statistics, Probability & Statistics, Reference.
How does Deborah J. Rumsey price their books?
The median price is $15.51; half of the books cost $15–$18.36.
Has Deborah J. Rumsey released new books recently?
1 new book in the last 30 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.