However, the significant overlap of distributions, for example, means that we cannot distinguish X1 and X2 reliably.
haʊˈɛvɚ, ðə sɪɡnˈɪfɪkənt ˌoʊvɚlˈæp ʌv dˌɪstɹɪbjˈuːʃənz, fɔːɹ ɛɡzˈæmpəl, mˈiːnz ðæt wiː kænˈɑːt dɪstˈɪŋɡwɪʃ ˈɛks wˈʌn ænd ˈɛks tˈuː ɹᵻlˈaɪəbli.