7+14+21+28+...+105=1*7+2*7+3*7+4*7+...+15*7
15
∑7*n=7*1+7*2+7*3+7*4+...+15*7=7+14+21+28+...+105
n=1
Answer:
- Statistics;
- Parameter;
- Statistics;
- Parameter.
Step-by-step explanation:
According to southeastern.edu,
- parameters summarize data from an entire population, whereas
- statistics summarize data from a sample of the population.
The first statement is true for the sample "those surveyed" the population but not necessarily the entire population. Statistic.
The second statement implies that the soccer team is the population. All members of the population are surveyed. Parameter.
The third statement states that a sample of 100 of all swimming teams are surveyed. Statistic.
The fourth statement implies that the population is all members of the golf team, and that all members of the population are surveyed. Parameter.
Answer:
0.5
Step-by-step explanation:
Answer:
I think it might be B. but I am not so sure.
180-129= 51
angle 4 is equal to angle 12 so missing angle 12= 51°