A track coach uses a stopwatch to record how fast his star runner completes a 1500 -meter race. At the first track meet, he records a time of 260 seconds. At the next track meet, he records a time of 255 seconds. What is the relative change in his star runner's 1500 -meter race time? \( -1.96 \% \) \( -1.92 \% \) \( 1.92 \% \)

Min bagi satu set data yang mengandungi tujuh integer \( 28,27,16,30 \), The mean of a set of data of seven integers \( 28,27,16,30, k, 26 \) and \( k \) - (a) Cari nilai \( k \). Find the value of \( k \). (b) Nyatakan kuartil pertama bagi set data tersebut. State the first quartile of the set of data. Cari nombor yang dikeluarkan itu. One number is removed from the set of data and the mean remains Find the number removed.

What is a scatter plot?

Define un diagrama de dispersión y describe su propósito en la estadística.

What is a scatter plot?

What is a scatter plot?