Answer:
1.51
Explanation:
Given that :
ACT Mean score (m) = 20.4
ACT standard deviation (σ) = 3.7
The Zscore for an ACT score of 26:
Zscore = (score - mean) / standard deviation
Zscore = (26 - 20.4) / 3.7
Zscore = 5.6 / 3.7
Zscore = 1.5135135
Zscore = 1.51 (2 decimal places)