Here is data set Heart rate QT interval var3

60 403 ""

75 363 ""

62 381 ""

68 367 ""

84 341 ""

97 317 ""

66 401 ""

65 384 ""

86 342 ""

78 377 ""

93 329 ""

75 377 ""

88 349 ""

. Perform a linear regression for this data.

b. r =

c. Using = 0.05, what is the conclusion about the correlation between heart rate and QT interval?

d. regression equation:

e. Find the best predicted QT interval for a heart rate of 70.