The phrase "average change between" is correct and usable in written English.
It can be used when discussing the mean difference or variation in a particular variable over a specified period or between two points.
Example: "The average change between the two years indicates a significant increase in sales."
Alternatives: "mean difference between" or "typical variation between".
Since 1972, as Silver pointed out, the average change between the polls in late September and the result on Election Day is close to five per cent.
Most second administrations had worse economic performances across seven common indicators (measured by comparing the average change between the start and the end of each term).
Since 1972, the average change between the late September polls and the election result is 4.9 percentage points in one direction or another, versus an average error of 7.1 percentage points between 1936 and 1968.
Since 1972, the average change between the late September polls and the election result has been 4.9 percentage points in one direction or another, versus an average difference of 7.1 percentage points between 1936 and 1968.
The standardised response mean is calculated by dividing the average change between initial and follow up measures by the standard deviation of the change score [ 28].
From the linear model fit, the effect of interest is the average change between PrEC and LNCaP across all probes, after adjusting for probe-specific effects.
15 For subscapular skinfold, average changes between later ages from 6 m were negative, as was the average change in abdominal circumference between 24 and 36 months.
The average changes between baseline and year one for Whites, AAs, and Hispanics were 0.82 ± 0.26, 1.16 ± 0.48, and −0.54 ± 0.55, respectively.
In the placebo group, the average changes between baseline and year one for Whites, AAs, and Hispanics were 0.15 ± 0.26, 0.05 ± 0.44, and 0.09 ± 0.46, respectively.
Price index, measure of relative price changes, consisting of a series of numbers arranged so that a comparison between the values for any two periods or places will show the average change in prices between periods or the average difference in prices between places.
While no significant difference between treatments on Day 120 was detected, the magnitude of average change in condition between the beginning and end of the experiment did not appear to be random (Figure 6, Pearson's R = −0.48, p = 0.0450, n = 18).
