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NPS Statistics Spreadsheet

Calculate the margin of error and confidence interval on your Net Promoter Score so you know whether a movement is signal or noise.

NPS Statistics Spreadsheet — margin of error and confidence intervals — cover

What's inside

  • Calculates margin of error for any NPS at any sample size
  • Tells you whether a month-on-month NPS movement is statistically real
  • Pairs side-by-side scores so you can compare segments without guessing
  • Includes the working so you can audit the maths or explain it to a sceptical executive

“We first began working with Genroe to streamline and refine our Net Promoter Score program. I can not promote Genroe enough, they have gone above and beyond in helping us and have delivered a flexibility to our program that really suits out needs.”

Renee Farnham

nib Health Funds

Who it's for

  • Analysts settling monthly debates over whether a 2-point NPS dip is real
  • Programme managers needing to justify which score movements to act on
  • CX leaders comparing segment scores without falling for small-sample noise

Ready to dig in?

Send Me the Spreadsheet