Answer:
6
Step-by-step explanation:
STATISTICS" is the 10 letters word in which "S" appears 3 times, "T" appears 3 times, "A" appears 1 time, "I" appears 2 times and "C" appears 1 times. To arrange this word letter "T" must be first letter so there is only one way to choose first place. Since vowel can not be the last letter there are 6 choices...