The phrase "average ratio over the" is correct and usable in written English.
It can be used in contexts where you are discussing statistical data or comparisons over a specific period or set of conditions.
Example: "The average ratio over the last five years indicates a steady increase in productivity."
Alternatives: "mean ratio across the" or "typical ratio throughout the".
The traditional real time pricing schemes may not be effectively implemented in terms of reduction of power peak to average ratio over the large number of end consumers.
The stock is trading at 13 times trailing earnings, two-thirds the average ratio over the past five years.
Over the past five years the S&P 500 has averaged 26% a year, to where this index is now going for 30 times earnings, or double the average ratio over the previous century.
Microarray slides were scanned and GenePix Pro 3.0 (Axon Instruments, Foster City, CA, USA) was used to quantify signal and background in the Cy5 and Cy3 channels for each spot, as well as the Cy5/Cy3 signal ratio and a normalisation factor that centred the average ratios over the slide on 1.
The columns indicate the average ratio over 3 years of the total As concentration (filled columns) of each genotype to that of WRC1 (open column), japonica cv.
In the XR/XDH-strain, on the other hand, few significant changes were observed in the NADPH/NADP ratio and the average ratio over all phases was 0.25 ± 0.03 (mean ± 95% CI, n = 79).
Each comparison has n sequences, dN/dS is average ratio over sites under a codon model with one ω.
The data shown represent the average ratios over 10 min of four biological replicates (at least three technical replicates each).
SIEGEL: The average P/E ratio over the last 130 years is about 15.
That's a 43% discount to its average price/earnings ratio over the past half-century.
The average price/earnings ratio over the course of decades has been on the order of 14; we're in the low 30s now.
